Home / 155,153,890.20-232,730,835.30-142,052,885.40

Finding the Fourth Proportional to 155,153,890.20, 232,730,835.30 and 142,052,885.40

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Solution

The fourth proportional to 155,153,890.20, 232,730,835.30 and 142,052,885.40 is: 213,079,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,153,890.20 : 232,730,835.30 = 142,052,885.40 : x
  2. Step 2: Convert to fraction form
    155,153,890.20/232,730,835.30 = 142,052,885.40/x
  3. Step 3: Cross multiply
    155,153,890.20x = 232,730,835.30 × 142,052,885.40
  4. Step 4: Simplify right side
    155,153,890.20x = 33,060,086,675,917,176
  5. Step 5: Solve for x
    x = 33,060,086,675,917,176/155,153,890.20
  6. Step 6: Final answer
    x = 213,079,328.10

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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.