Home / 117,792,129.60-176,688,194.40-66,773,793.60

Finding the Fourth Proportional to 117,792,129.60, 176,688,194.40 and 66,773,793.60

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Solution

The fourth proportional to 117,792,129.60, 176,688,194.40 and 66,773,793.60 is: 100,160,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,792,129.60 : 176,688,194.40 = 66,773,793.60 : x
  2. Step 2: Convert to fraction form
    117,792,129.60/176,688,194.40 = 66,773,793.60/x
  3. Step 3: Cross multiply
    117,792,129.60x = 176,688,194.40 × 66,773,793.60
  4. Step 4: Simplify right side
    117,792,129.60x = 11,798,141,024,422,276
  5. Step 5: Solve for x
    x = 11,798,141,024,422,276/117,792,129.60
  6. Step 6: Final answer
    x = 100,160,690.40

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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.