Home / 76,996,945.10-115,495,417.65-48,331,498.70

Finding the Fourth Proportional to 76,996,945.10, 115,495,417.65 and 48,331,498.70

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Solution

The fourth proportional to 76,996,945.10, 115,495,417.65 and 48,331,498.70 is: 72,497,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,996,945.10 : 115,495,417.65 = 48,331,498.70 : x
  2. Step 2: Convert to fraction form
    76,996,945.10/115,495,417.65 = 48,331,498.70/x
  3. Step 3: Cross multiply
    76,996,945.10x = 115,495,417.65 × 48,331,498.70
  4. Step 4: Simplify right side
    76,996,945.10x = 5,582,066,628,006,933
  5. Step 5: Solve for x
    x = 5,582,066,628,006,933/76,996,945.10
  6. Step 6: Final answer
    x = 72,497,248.05

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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.