Home / 101,658,860.70-152,320,329.45-86,542,316.70

Finding the Fourth Proportional to 101,658,860.70, 152,320,329.45 and 86,542,316.70

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Solution

The fourth proportional to 101,658,860.70, 152,320,329.45 and 86,542,316.70 is: 129,670,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,658,860.70 : 152,320,329.45 = 86,542,316.70 : x
  2. Step 2: Convert to fraction form
    101,658,860.70/152,320,329.45 = 86,542,316.70/x
  3. Step 3: Cross multiply
    101,658,860.70x = 152,320,329.45 × 86,542,316.70
  4. Step 4: Simplify right side
    101,658,860.70x = 13,182,154,191,110,236
  5. Step 5: Solve for x
    x = 13,182,154,191,110,236/101,658,860.70
  6. Step 6: Final answer
    x = 129,670,489.13

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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.