Home / 92,918,818.16-139,369,145.52-28,223,185.04

Finding the Fourth Proportional to 92,918,818.16, 139,369,145.52 and 28,223,185.04

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Solution

The fourth proportional to 92,918,818.16, 139,369,145.52 and 28,223,185.04 is: 42,332,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,918,818.16 : 139,369,145.52 = 28,223,185.04 : x
  2. Step 2: Convert to fraction form
    92,918,818.16/139,369,145.52 = 28,223,185.04/x
  3. Step 3: Cross multiply
    92,918,818.16x = 139,369,145.52 × 28,223,185.04
  4. Step 4: Simplify right side
    92,918,818.16x = 3,933,441,182,877,647
  5. Step 5: Solve for x
    x = 3,933,441,182,877,647/92,918,818.16
  6. Step 6: Final answer
    x = 42,332,019.08

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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.