Home / 82,911,374.61-114,417,057.90-45,743,221.38

Finding the Fourth Proportional to 82,911,374.61, 114,417,057.90 and 45,743,221.38

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Solution

The fourth proportional to 82,911,374.61, 114,417,057.90 and 45,743,221.38 is: 63,125,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,911,374.61 : 114,417,057.90 = 45,743,221.38 : x
  2. Step 2: Convert to fraction form
    82,911,374.61/114,417,057.90 = 45,743,221.38/x
  3. Step 3: Cross multiply
    82,911,374.61x = 114,417,057.90 × 45,743,221.38
  4. Step 4: Simplify right side
    82,911,374.61x = 5,233,804,809,167,978
  5. Step 5: Solve for x
    x = 5,233,804,809,167,978/82,911,374.61
  6. Step 6: Final answer
    x = 63,125,292.93

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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.