Home / 155,153,909.70-232,730,864.55-142,052,904.90

Finding the Fourth Proportional to 155,153,909.70, 232,730,864.55 and 142,052,904.90

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Solution

The fourth proportional to 155,153,909.70, 232,730,864.55 and 142,052,904.90 is: 213,079,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,153,909.70 : 232,730,864.55 = 142,052,904.90 : x
  2. Step 2: Convert to fraction form
    155,153,909.70/232,730,864.55 = 142,052,904.90/x
  3. Step 3: Cross multiply
    155,153,909.70x = 232,730,864.55 × 142,052,904.90
  4. Step 4: Simplify right side
    155,153,909.70x = 33,060,095,369,215,936
  5. Step 5: Solve for x
    x = 33,060,095,369,215,936/155,153,909.70
  6. Step 6: Final answer
    x = 213,079,357.35

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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.