Home / 285,088,149.72-427,695,210.18-103,330,603.80

Finding the Fourth Proportional to 285,088,149.72, 427,695,210.18 and 103,330,603.80

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Solution

The fourth proportional to 285,088,149.72, 427,695,210.18 and 103,330,603.80 is: 155,018,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,088,149.72 : 427,695,210.18 = 103,330,603.80 : x
  2. Step 2: Convert to fraction form
    285,088,149.72/427,695,210.18 = 103,330,603.80/x
  3. Step 3: Cross multiply
    285,088,149.72x = 427,695,210.18 × 103,330,603.80
  4. Step 4: Simplify right side
    285,088,149.72x = 44,194,004,310,267,304
  5. Step 5: Solve for x
    x = 44,194,004,310,267,304/285,088,149.72
  6. Step 6: Final answer
    x = 155,018,734.92

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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.