Home / 243,721,155.60-365,348,712.60-90,326,077.20

Finding the Fourth Proportional to 243,721,155.60, 365,348,712.60 and 90,326,077.20

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Solution

The fourth proportional to 243,721,155.60, 365,348,712.60 and 90,326,077.20 is: 135,402,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,721,155.60 : 365,348,712.60 = 90,326,077.20 : x
  2. Step 2: Convert to fraction form
    243,721,155.60/365,348,712.60 = 90,326,077.20/x
  3. Step 3: Cross multiply
    243,721,155.60x = 365,348,712.60 × 90,326,077.20
  4. Step 4: Simplify right side
    243,721,155.60x = 33,000,516,019,228,216
  5. Step 5: Solve for x
    x = 33,000,516,019,228,216/243,721,155.60
  6. Step 6: Final answer
    x = 135,402,755.41

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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.