Home / 103,484,480.50-155,226,720.91-42,059,247.94

Finding the Fourth Proportional to 103,484,480.50, 155,226,720.91 and 42,059,247.94

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Solution

The fourth proportional to 103,484,480.50, 155,226,720.91 and 42,059,247.94 is: 63,088,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,484,480.50 : 155,226,720.91 = 42,059,247.94 : x
  2. Step 2: Convert to fraction form
    103,484,480.50/155,226,720.91 = 42,059,247.94/x
  3. Step 3: Cross multiply
    103,484,480.50x = 155,226,720.91 × 42,059,247.94
  4. Step 4: Simplify right side
    103,484,480.50x = 6,528,719,140,890,739
  5. Step 5: Solve for x
    x = 6,528,719,140,890,739/103,484,480.50
  6. Step 6: Final answer
    x = 63,088,871.97

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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.