Home / 111,380,306.31-153,692,356.75-61,822,768.76

Finding the Fourth Proportional to 111,380,306.31, 153,692,356.75 and 61,822,768.76

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Solution

The fourth proportional to 111,380,306.31, 153,692,356.75 and 61,822,768.76 is: 85,308,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,380,306.31 : 153,692,356.75 = 61,822,768.76 : x
  2. Step 2: Convert to fraction form
    111,380,306.31/153,692,356.75 = 61,822,768.76/x
  3. Step 3: Cross multiply
    111,380,306.31x = 153,692,356.75 × 61,822,768.76
  4. Step 4: Simplify right side
    111,380,306.31x = 9,501,687,031,536,064
  5. Step 5: Solve for x
    x = 9,501,687,031,536,064/111,380,306.31
  6. Step 6: Final answer
    x = 85,308,501.53

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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.