Home / 80,313,801.16-120,417,444.78-29,189,746.12

Finding the Fourth Proportional to 80,313,801.16, 120,417,444.78 and 29,189,746.12

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Solution

The fourth proportional to 80,313,801.16, 120,417,444.78 and 29,189,746.12 is: 43,765,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,313,801.16 : 120,417,444.78 = 29,189,746.12 : x
  2. Step 2: Convert to fraction form
    80,313,801.16/120,417,444.78 = 29,189,746.12/x
  3. Step 3: Cross multiply
    80,313,801.16x = 120,417,444.78 × 29,189,746.12
  4. Step 4: Simplify right side
    80,313,801.16x = 3,514,954,641,547,319.50
  5. Step 5: Solve for x
    x = 3,514,954,641,547,319.50/80,313,801.16
  6. Step 6: Final answer
    x = 43,765,263.14

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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.