Home / 89,712,216.88-123,802,909.10-48,459,109.66

Finding the Fourth Proportional to 89,712,216.88, 123,802,909.10 and 48,459,109.66

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Solution

The fourth proportional to 89,712,216.88, 123,802,909.10 and 48,459,109.66 is: 66,873,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,216.88 : 123,802,909.10 = 48,459,109.66 : x
  2. Step 2: Convert to fraction form
    89,712,216.88/123,802,909.10 = 48,459,109.66/x
  3. Step 3: Cross multiply
    89,712,216.88x = 123,802,909.10 × 48,459,109.66
  4. Step 4: Simplify right side
    89,712,216.88x = 5,999,378,748,303,911
  5. Step 5: Solve for x
    x = 5,999,378,748,303,911/89,712,216.88
  6. Step 6: Final answer
    x = 66,873,598.23

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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.