Home / 91,020,996.18-125,643,132.12-59,661,065.58

Finding the Fourth Proportional to 91,020,996.18, 125,643,132.12 and 59,661,065.58

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Solution

The fourth proportional to 91,020,996.18, 125,643,132.12 and 59,661,065.58 is: 82,354,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020,996.18 : 125,643,132.12 = 59,661,065.58 : x
  2. Step 2: Convert to fraction form
    91,020,996.18/125,643,132.12 = 59,661,065.58/x
  3. Step 3: Cross multiply
    91,020,996.18x = 125,643,132.12 × 59,661,065.58
  4. Step 4: Simplify right side
    91,020,996.18x = 7,496,003,145,087,924
  5. Step 5: Solve for x
    x = 7,496,003,145,087,924/91,020,996.18
  6. Step 6: Final answer
    x = 82,354,659.47

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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.