Home / 149,691,916.80-224,537,875.20-69,070,348.80

Finding the Fourth Proportional to 149,691,916.80, 224,537,875.20 and 69,070,348.80

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Solution

The fourth proportional to 149,691,916.80, 224,537,875.20 and 69,070,348.80 is: 103,605,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,691,916.80 : 224,537,875.20 = 69,070,348.80 : x
  2. Step 2: Convert to fraction form
    149,691,916.80/224,537,875.20 = 69,070,348.80/x
  3. Step 3: Cross multiply
    149,691,916.80x = 224,537,875.20 × 69,070,348.80
  4. Step 4: Simplify right side
    149,691,916.80x = 15,508,909,358,874,868
  5. Step 5: Solve for x
    x = 15,508,909,358,874,868/149,691,916.80
  6. Step 6: Final answer
    x = 103,605,523.20

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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.