Home / 123,779,660.60-185,669,490.90-118,996,691.60

Finding the Fourth Proportional to 123,779,660.60, 185,669,490.90 and 118,996,691.60

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Solution

The fourth proportional to 123,779,660.60, 185,669,490.90 and 118,996,691.60 is: 178,495,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,779,660.60 : 185,669,490.90 = 118,996,691.60 : x
  2. Step 2: Convert to fraction form
    123,779,660.60/185,669,490.90 = 118,996,691.60/x
  3. Step 3: Cross multiply
    123,779,660.60x = 185,669,490.90 × 118,996,691.60
  4. Step 4: Simplify right side
    123,779,660.60x = 22,094,055,148,156,308
  5. Step 5: Solve for x
    x = 22,094,055,148,156,308/123,779,660.60
  6. Step 6: Final answer
    x = 178,495,037.40

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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.