Home / 55,728,000.70-83,592,001.05-42,123,111.10

Finding the Fourth Proportional to 55,728,000.70, 83,592,001.05 and 42,123,111.10

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Solution

The fourth proportional to 55,728,000.70, 83,592,001.05 and 42,123,111.10 is: 63,184,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728,000.70 : 83,592,001.05 = 42,123,111.10 : x
  2. Step 2: Convert to fraction form
    55,728,000.70/83,592,001.05 = 42,123,111.10/x
  3. Step 3: Cross multiply
    55,728,000.70x = 83,592,001.05 × 42,123,111.10
  4. Step 4: Simplify right side
    55,728,000.70x = 3,521,155,147,300,466.50
  5. Step 5: Solve for x
    x = 3,521,155,147,300,466.50/55,728,000.70
  6. Step 6: Final answer
    x = 63,184,666.65

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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.