Home / 51,253,878.42-70,730,306.10-28,931,564.06

Finding the Fourth Proportional to 51,253,878.42, 70,730,306.10 and 28,931,564.06

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Solution

The fourth proportional to 51,253,878.42, 70,730,306.10 and 28,931,564.06 is: 39,925,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253,878.42 : 70,730,306.10 = 28,931,564.06 : x
  2. Step 2: Convert to fraction form
    51,253,878.42/70,730,306.10 = 28,931,564.06/x
  3. Step 3: Cross multiply
    51,253,878.42x = 70,730,306.10 × 28,931,564.06
  4. Step 4: Simplify right side
    51,253,878.42x = 2,046,338,381,915,558.50
  5. Step 5: Solve for x
    x = 2,046,338,381,915,558.50/51,253,878.42
  6. Step 6: Final answer
    x = 39,925,532.37

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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.