Home / 186,138,497.60-279,207,746.40-123,720,752.15

Finding the Fourth Proportional to 186,138,497.60, 279,207,746.40 and 123,720,752.15

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Solution

The fourth proportional to 186,138,497.60, 279,207,746.40 and 123,720,752.15 is: 185,581,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,138,497.60 : 279,207,746.40 = 123,720,752.15 : x
  2. Step 2: Convert to fraction form
    186,138,497.60/279,207,746.40 = 123,720,752.15/x
  3. Step 3: Cross multiply
    186,138,497.60x = 279,207,746.40 × 123,720,752.15
  4. Step 4: Simplify right side
    186,138,497.60x = 34,543,792,390,714,452
  5. Step 5: Solve for x
    x = 34,543,792,390,714,452/186,138,497.60
  6. Step 6: Final answer
    x = 185,581,128.23

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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.