Home / 265,712,819.60-398,569,229.40-122,385,587.60

Finding the Fourth Proportional to 265,712,819.60, 398,569,229.40 and 122,385,587.60

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Solution

The fourth proportional to 265,712,819.60, 398,569,229.40 and 122,385,587.60 is: 183,578,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,712,819.60 : 398,569,229.40 = 122,385,587.60 : x
  2. Step 2: Convert to fraction form
    265,712,819.60/398,569,229.40 = 122,385,587.60/x
  3. Step 3: Cross multiply
    265,712,819.60x = 398,569,229.40 × 122,385,587.60
  4. Step 4: Simplify right side
    265,712,819.60x = 48,779,129,339,398,192
  5. Step 5: Solve for x
    x = 48,779,129,339,398,192/265,712,819.60
  6. Step 6: Final answer
    x = 183,578,381.40

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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.