Home / 79,718,703.90-119,578,055.85-60,445,110.30

Finding the Fourth Proportional to 79,718,703.90, 119,578,055.85 and 60,445,110.30

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Solution

The fourth proportional to 79,718,703.90, 119,578,055.85 and 60,445,110.30 is: 90,667,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,718,703.90 : 119,578,055.85 = 60,445,110.30 : x
  2. Step 2: Convert to fraction form
    79,718,703.90/119,578,055.85 = 60,445,110.30/x
  3. Step 3: Cross multiply
    79,718,703.90x = 119,578,055.85 × 60,445,110.30
  4. Step 4: Simplify right side
    79,718,703.90x = 7,227,908,775,312,810
  5. Step 5: Solve for x
    x = 7,227,908,775,312,810/79,718,703.90
  6. Step 6: Final answer
    x = 90,667,665.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.