Home / 107,830,918.40-161,790,614.40-39,706,246.40

Finding the Fourth Proportional to 107,830,918.40, 161,790,614.40 and 39,706,246.40

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Solution

The fourth proportional to 107,830,918.40, 161,790,614.40 and 39,706,246.40 is: 59,575,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,830,918.40 : 161,790,614.40 = 39,706,246.40 : x
  2. Step 2: Convert to fraction form
    107,830,918.40/161,790,614.40 = 39,706,246.40/x
  3. Step 3: Cross multiply
    107,830,918.40x = 161,790,614.40 × 39,706,246.40
  4. Step 4: Simplify right side
    107,830,918.40x = 6,424,098,000,573,788
  5. Step 5: Solve for x
    x = 6,424,098,000,573,788/107,830,918.40
  6. Step 6: Final answer
    x = 59,575,658.78

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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.