Home / 55,908,102.54-77,153,023.47-31,461,816.30

Finding the Fourth Proportional to 55,908,102.54, 77,153,023.47 and 31,461,816.30

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Solution

The fourth proportional to 55,908,102.54, 77,153,023.47 and 31,461,816.30 is: 43,417,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,908,102.54 : 77,153,023.47 = 31,461,816.30 : x
  2. Step 2: Convert to fraction form
    55,908,102.54/77,153,023.47 = 31,461,816.30/x
  3. Step 3: Cross multiply
    55,908,102.54x = 77,153,023.47 × 31,461,816.30
  4. Step 4: Simplify right side
    55,908,102.54x = 2,427,374,251,402,728.50
  5. Step 5: Solve for x
    x = 2,427,374,251,402,728.50/55,908,102.54
  6. Step 6: Final answer
    x = 43,417,217.56

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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.