Home / 155,139,414.30-232,709,121.45-152,871,932.70

Finding the Fourth Proportional to 155,139,414.30, 232,709,121.45 and 152,871,932.70

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Solution

The fourth proportional to 155,139,414.30, 232,709,121.45 and 152,871,932.70 is: 229,307,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,139,414.30 : 232,709,121.45 = 152,871,932.70 : x
  2. Step 2: Convert to fraction form
    155,139,414.30/232,709,121.45 = 152,871,932.70/x
  3. Step 3: Cross multiply
    155,139,414.30x = 232,709,121.45 × 152,871,932.70
  4. Step 4: Simplify right side
    155,139,414.30x = 35,574,693,152,980,520
  5. Step 5: Solve for x
    x = 35,574,693,152,980,520/155,139,414.30
  6. Step 6: Final answer
    x = 229,307,899.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.