Home / 111,235,445.76-153,499,566.56-61,677,833.52

Finding the Fourth Proportional to 111,235,445.76, 153,499,566.56 and 61,677,833.52

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Solution

The fourth proportional to 111,235,445.76, 153,499,566.56 and 61,677,833.52 is: 85,112,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,235,445.76 : 153,499,566.56 = 61,677,833.52 : x
  2. Step 2: Convert to fraction form
    111,235,445.76/153,499,566.56 = 61,677,833.52/x
  3. Step 3: Cross multiply
    111,235,445.76x = 153,499,566.56 × 61,677,833.52
  4. Step 4: Simplify right side
    111,235,445.76x = 9,467,520,711,679,840
  5. Step 5: Solve for x
    x = 9,467,520,711,679,840/111,235,445.76
  6. Step 6: Final answer
    x = 85,112,444.57

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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.