Home / 119,849,321.18-165,345,002.50-69,604,986.36

Finding the Fourth Proportional to 119,849,321.18, 165,345,002.50 and 69,604,986.36

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Solution

The fourth proportional to 119,849,321.18, 165,345,002.50 and 69,604,986.36 is: 96,027,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,849,321.18 : 165,345,002.50 = 69,604,986.36 : x
  2. Step 2: Convert to fraction form
    119,849,321.18/165,345,002.50 = 69,604,986.36/x
  3. Step 3: Cross multiply
    119,849,321.18x = 165,345,002.50 × 69,604,986.36
  4. Step 4: Simplify right side
    119,849,321.18x = 11,508,836,643,706,666
  5. Step 5: Solve for x
    x = 11,508,836,643,706,666/119,849,321.18
  6. Step 6: Final answer
    x = 96,027,549.68

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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.