Home / 107,804,083.80-161,727,120.90-31,129,613.40

Finding the Fourth Proportional to 107,804,083.80, 161,727,120.90 and 31,129,613.40

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Solution

The fourth proportional to 107,804,083.80, 161,727,120.90 and 31,129,613.40 is: 46,700,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,804,083.80 : 161,727,120.90 = 31,129,613.40 : x
  2. Step 2: Convert to fraction form
    107,804,083.80/161,727,120.90 = 31,129,613.40/x
  3. Step 3: Cross multiply
    107,804,083.80x = 161,727,120.90 × 31,129,613.40
  4. Step 4: Simplify right side
    107,804,083.80x = 5,034,502,749,912,060
  5. Step 5: Solve for x
    x = 5,034,502,749,912,060/107,804,083.80
  6. Step 6: Final answer
    x = 46,700,482.69

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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.