Home / 137,767,476.20-206,367,779.10-69,648,549.80

Finding the Fourth Proportional to 137,767,476.20, 206,367,779.10 and 69,648,549.80

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Solution

The fourth proportional to 137,767,476.20, 206,367,779.10 and 69,648,549.80 is: 104,329,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,767,476.20 : 206,367,779.10 = 69,648,549.80 : x
  2. Step 2: Convert to fraction form
    137,767,476.20/206,367,779.10 = 69,648,549.80/x
  3. Step 3: Cross multiply
    137,767,476.20x = 206,367,779.10 × 69,648,549.80
  4. Step 4: Simplify right side
    137,767,476.20x = 14,373,216,539,761,748
  5. Step 5: Solve for x
    x = 14,373,216,539,761,748/137,767,476.20
  6. Step 6: Final answer
    x = 104,329,533.62

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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.