Home / 75,264,417.60-112,896,626.40-49,784,020.80

Finding the Fourth Proportional to 75,264,417.60, 112,896,626.40 and 49,784,020.80

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Solution

The fourth proportional to 75,264,417.60, 112,896,626.40 and 49,784,020.80 is: 74,676,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,264,417.60 : 112,896,626.40 = 49,784,020.80 : x
  2. Step 2: Convert to fraction form
    75,264,417.60/112,896,626.40 = 49,784,020.80/x
  3. Step 3: Cross multiply
    75,264,417.60x = 112,896,626.40 × 49,784,020.80
  4. Step 4: Simplify right side
    75,264,417.60x = 5,620,447,996,947,429
  5. Step 5: Solve for x
    x = 5,620,447,996,947,429/75,264,417.60
  6. Step 6: Final answer
    x = 74,676,031.20

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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.