Home / 92,918,817.91-139,369,145.14-28,223,184.79

Finding the Fourth Proportional to 92,918,817.91, 139,369,145.14 and 28,223,184.79

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Solution

The fourth proportional to 92,918,817.91, 139,369,145.14 and 28,223,184.79 is: 42,332,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,918,817.91 : 139,369,145.14 = 28,223,184.79 : x
  2. Step 2: Convert to fraction form
    92,918,817.91/139,369,145.14 = 28,223,184.79/x
  3. Step 3: Cross multiply
    92,918,817.91x = 139,369,145.14 × 28,223,184.79
  4. Step 4: Simplify right side
    92,918,817.91x = 3,933,441,137,310,550
  5. Step 5: Solve for x
    x = 3,933,441,137,310,550/92,918,817.91
  6. Step 6: Final answer
    x = 42,332,018.70

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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.