Home / 124,437,863.70-186,656,795.55-86,174,111.70

Finding the Fourth Proportional to 124,437,863.70, 186,656,795.55 and 86,174,111.70

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Solution

The fourth proportional to 124,437,863.70, 186,656,795.55 and 86,174,111.70 is: 129,261,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,437,863.70 : 186,656,795.55 = 86,174,111.70 : x
  2. Step 2: Convert to fraction form
    124,437,863.70/186,656,795.55 = 86,174,111.70/x
  3. Step 3: Cross multiply
    124,437,863.70x = 186,656,795.55 × 86,174,111.70
  4. Step 4: Simplify right side
    124,437,863.70x = 16,084,983,549,289,764
  5. Step 5: Solve for x
    x = 16,084,983,549,289,764/124,437,863.70
  6. Step 6: Final answer
    x = 129,261,167.55

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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.