Home / 107,851,871.40-161,777,807.10-89,915,737.65

Finding the Fourth Proportional to 107,851,871.40, 161,777,807.10 and 89,915,737.65

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Solution

The fourth proportional to 107,851,871.40, 161,777,807.10 and 89,915,737.65 is: 134,873,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,851,871.40 : 161,777,807.10 = 89,915,737.65 : x
  2. Step 2: Convert to fraction form
    107,851,871.40/161,777,807.10 = 89,915,737.65/x
  3. Step 3: Cross multiply
    107,851,871.40x = 161,777,807.10 × 89,915,737.65
  4. Step 4: Simplify right side
    107,851,871.40x = 14,546,370,860,795,908
  5. Step 5: Solve for x
    x = 14,546,370,860,795,908/107,851,871.40
  6. Step 6: Final answer
    x = 134,873,606.48

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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.