Home / 134,857,641.03-186,103,545.29-72,977,980.20

Finding the Fourth Proportional to 134,857,641.03, 186,103,545.29 and 72,977,980.20

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Solution

The fourth proportional to 134,857,641.03, 186,103,545.29 and 72,977,980.20 is: 100,709,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857,641.03 : 186,103,545.29 = 72,977,980.20 : x
  2. Step 2: Convert to fraction form
    134,857,641.03/186,103,545.29 = 72,977,980.20/x
  3. Step 3: Cross multiply
    134,857,641.03x = 186,103,545.29 × 72,977,980.20
  4. Step 4: Simplify right side
    134,857,641.03x = 13,581,460,842,958,534
  5. Step 5: Solve for x
    x = 13,581,460,842,958,534/134,857,641.03
  6. Step 6: Final answer
    x = 100,709,613.04

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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.