Home / 159,456,328.90-239,184,493.35-86,707,960.90

Finding the Fourth Proportional to 159,456,328.90, 239,184,493.35 and 86,707,960.90

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Solution

The fourth proportional to 159,456,328.90, 239,184,493.35 and 86,707,960.90 is: 130,061,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,456,328.90 : 239,184,493.35 = 86,707,960.90 : x
  2. Step 2: Convert to fraction form
    159,456,328.90/239,184,493.35 = 86,707,960.90/x
  3. Step 3: Cross multiply
    159,456,328.90x = 239,184,493.35 × 86,707,960.90
  4. Step 4: Simplify right side
    159,456,328.90x = 20,739,199,697,278,112
  5. Step 5: Solve for x
    x = 20,739,199,697,278,112/159,456,328.90
  6. Step 6: Final answer
    x = 130,061,941.35

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Double scale
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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.