Home / 55,117,065.28-76,056,606.28-31,913,758.32

Finding the Fourth Proportional to 55,117,065.28, 76,056,606.28 and 31,913,758.32

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Solution

The fourth proportional to 55,117,065.28, 76,056,606.28 and 31,913,758.32 is: 44,038,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117,065.28 : 76,056,606.28 = 31,913,758.32 : x
  2. Step 2: Convert to fraction form
    55,117,065.28/76,056,606.28 = 31,913,758.32/x
  3. Step 3: Cross multiply
    55,117,065.28x = 76,056,606.28 × 31,913,758.32
  4. Step 4: Simplify right side
    55,117,065.28x = 2,427,252,151,459,314.50
  5. Step 5: Solve for x
    x = 2,427,252,151,459,314.50/55,117,065.28
  6. Step 6: Final answer
    x = 44,038,123.93

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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.