Home / 42,002,733.60-63,004,100.40-38,412,554.40

Finding the Fourth Proportional to 42,002,733.60, 63,004,100.40 and 38,412,554.40

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Solution

The fourth proportional to 42,002,733.60, 63,004,100.40 and 38,412,554.40 is: 57,618,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002,733.60 : 63,004,100.40 = 38,412,554.40 : x
  2. Step 2: Convert to fraction form
    42,002,733.60/63,004,100.40 = 38,412,554.40/x
  3. Step 3: Cross multiply
    42,002,733.60x = 63,004,100.40 × 38,412,554.40
  4. Step 4: Simplify right side
    42,002,733.60x = 2,420,148,434,038,061.50
  5. Step 5: Solve for x
    x = 2,420,148,434,038,061.50/42,002,733.60
  6. Step 6: Final answer
    x = 57,618,831.60

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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.