Home / 71,142,868.80-98,177,224.80-38,547,820.80

Finding the Fourth Proportional to 71,142,868.80, 98,177,224.80 and 38,547,820.80

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Solution

The fourth proportional to 71,142,868.80, 98,177,224.80 and 38,547,820.80 is: 53,196,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142,868.80 : 98,177,224.80 = 38,547,820.80 : x
  2. Step 2: Convert to fraction form
    71,142,868.80/98,177,224.80 = 38,547,820.80/x
  3. Step 3: Cross multiply
    71,142,868.80x = 98,177,224.80 × 38,547,820.80
  4. Step 4: Simplify right side
    71,142,868.80x = 3,784,518,068,231,715.50
  5. Step 5: Solve for x
    x = 3,784,518,068,231,715.50/71,142,868.80
  6. Step 6: Final answer
    x = 53,196,028.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.