Home / 156,065,251.15-215,369,971.63-93,341,348.02

Finding the Fourth Proportional to 156,065,251.15, 215,369,971.63 and 93,341,348.02

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Solution

The fourth proportional to 156,065,251.15, 215,369,971.63 and 93,341,348.02 is: 128,811,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,065,251.15 : 215,369,971.63 = 93,341,348.02 : x
  2. Step 2: Convert to fraction form
    156,065,251.15/215,369,971.63 = 93,341,348.02/x
  3. Step 3: Cross multiply
    156,065,251.15x = 215,369,971.63 × 93,341,348.02
  4. Step 4: Simplify right side
    156,065,251.15x = 20,102,923,474,877,604
  5. Step 5: Solve for x
    x = 20,102,923,474,877,604/156,065,251.15
  6. Step 6: Final answer
    x = 128,811,015.44

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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.