Home / 57,228,868.16-78,935,863.20-38,862,267.20

Finding the Fourth Proportional to 57,228,868.16, 78,935,863.20 and 38,862,267.20

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Solution

The fourth proportional to 57,228,868.16, 78,935,863.20 and 38,862,267.20 is: 53,602,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228,868.16 : 78,935,863.20 = 38,862,267.20 : x
  2. Step 2: Convert to fraction form
    57,228,868.16/78,935,863.20 = 38,862,267.20/x
  3. Step 3: Cross multiply
    57,228,868.16x = 78,935,863.20 × 38,862,267.20
  4. Step 4: Simplify right side
    57,228,868.16x = 3,067,626,607,341,047.50
  5. Step 5: Solve for x
    x = 3,067,626,607,341,047.50/57,228,868.16
  6. Step 6: Final answer
    x = 53,602,783.11

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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.