Home / 90,717,167.85-136,037,916.57-28,452,440.30

Finding the Fourth Proportional to 90,717,167.85, 136,037,916.57 and 28,452,440.30

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Solution

The fourth proportional to 90,717,167.85, 136,037,916.57 and 28,452,440.30 is: 42,666,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717,167.85 : 136,037,916.57 = 28,452,440.30 : x
  2. Step 2: Convert to fraction form
    90,717,167.85/136,037,916.57 = 28,452,440.30/x
  3. Step 3: Cross multiply
    90,717,167.85x = 136,037,916.57 × 28,452,440.30
  4. Step 4: Simplify right side
    90,717,167.85x = 3,870,610,699,064,116
  5. Step 5: Solve for x
    x = 3,870,610,699,064,116/90,717,167.85
  6. Step 6: Final answer
    x = 42,666,793.85

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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.