Home / 71,087,851.50-98,101,368.54-39,725,900.70

Finding the Fourth Proportional to 71,087,851.50, 98,101,368.54 and 39,725,900.70

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Solution

The fourth proportional to 71,087,851.50, 98,101,368.54 and 39,725,900.70 is: 54,821,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,087,851.50 : 98,101,368.54 = 39,725,900.70 : x
  2. Step 2: Convert to fraction form
    71,087,851.50/98,101,368.54 = 39,725,900.70/x
  3. Step 3: Cross multiply
    71,087,851.50x = 98,101,368.54 × 39,725,900.70
  4. Step 4: Simplify right side
    71,087,851.50x = 3,897,165,225,154,144.50
  5. Step 5: Solve for x
    x = 3,897,165,225,154,144.50/71,087,851.50
  6. Step 6: Final answer
    x = 54,821,817.55

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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.