Home / 134,569,543.10-185,706,050.83-72,689,909.00

Finding the Fourth Proportional to 134,569,543.10, 185,706,050.83 and 72,689,909.00

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Solution

The fourth proportional to 134,569,543.10, 185,706,050.83 and 72,689,909.00 is: 100,312,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,543.10 : 185,706,050.83 = 72,689,909.00 : x
  2. Step 2: Convert to fraction form
    134,569,543.10/185,706,050.83 = 72,689,909.00/x
  3. Step 3: Cross multiply
    134,569,543.10x = 185,706,050.83 × 72,689,909.00
  4. Step 4: Simplify right side
    134,569,543.10x = 13,498,955,934,471,820
  5. Step 5: Solve for x
    x = 13,498,955,934,471,820/134,569,543.10
  6. Step 6: Final answer
    x = 100,312,118.36

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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.