Home / 111,459,975.87-153,819,876.92-61,900,577.31

Finding the Fourth Proportional to 111,459,975.87, 153,819,876.92 and 61,900,577.31

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Solution

The fourth proportional to 111,459,975.87, 153,819,876.92 and 61,900,577.31 is: 85,425,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,459,975.87 : 153,819,876.92 = 61,900,577.31 : x
  2. Step 2: Convert to fraction form
    111,459,975.87/153,819,876.92 = 61,900,577.31/x
  3. Step 3: Cross multiply
    111,459,975.87x = 153,819,876.92 × 61,900,577.31
  4. Step 4: Simplify right side
    111,459,975.87x = 9,521,539,182,791,642
  5. Step 5: Solve for x
    x = 9,521,539,182,791,642/111,459,975.87
  6. Step 6: Final answer
    x = 85,425,634.70

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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.