Home / 55,925,892.34-77,180,125.88-31,146,079.12

Finding the Fourth Proportional to 55,925,892.34, 77,180,125.88 and 31,146,079.12

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Solution

The fourth proportional to 55,925,892.34, 77,180,125.88 and 31,146,079.12 is: 42,982,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925,892.34 : 77,180,125.88 = 31,146,079.12 : x
  2. Step 2: Convert to fraction form
    55,925,892.34/77,180,125.88 = 31,146,079.12/x
  3. Step 3: Cross multiply
    55,925,892.34x = 77,180,125.88 × 31,146,079.12
  4. Step 4: Simplify right side
    55,925,892.34x = 2,403,858,307,034,954.50
  5. Step 5: Solve for x
    x = 2,403,858,307,034,954.50/55,925,892.34
  6. Step 6: Final answer
    x = 42,982,922.70

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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.