Home / 156,696,019.40-235,044,029.10-155,688,249.80

Finding the Fourth Proportional to 156,696,019.40, 235,044,029.10 and 155,688,249.80

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Solution

The fourth proportional to 156,696,019.40, 235,044,029.10 and 155,688,249.80 is: 233,532,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,696,019.40 : 235,044,029.10 = 155,688,249.80 : x
  2. Step 2: Convert to fraction form
    156,696,019.40/235,044,029.10 = 155,688,249.80/x
  3. Step 3: Cross multiply
    156,696,019.40x = 235,044,029.10 × 155,688,249.80
  4. Step 4: Simplify right side
    156,696,019.40x = 36,593,593,516,519,272
  5. Step 5: Solve for x
    x = 36,593,593,516,519,272/156,696,019.40
  6. Step 6: Final answer
    x = 233,532,374.70

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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.