Home / 71,310,020.13-98,500,139.01-58,969,960.11

Finding the Fourth Proportional to 71,310,020.13, 98,500,139.01 and 58,969,960.11

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Solution

The fourth proportional to 71,310,020.13, 98,500,139.01 and 58,969,960.11 is: 81,454,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,310,020.13 : 98,500,139.01 = 58,969,960.11 : x
  2. Step 2: Convert to fraction form
    71,310,020.13/98,500,139.01 = 58,969,960.11/x
  3. Step 3: Cross multiply
    71,310,020.13x = 98,500,139.01 × 58,969,960.11
  4. Step 4: Simplify right side
    71,310,020.13x = 5,808,549,268,249,155
  5. Step 5: Solve for x
    x = 5,808,549,268,249,155/71,310,020.13
  6. Step 6: Final answer
    x = 81,454,881.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.