Home / 85,536,400.80-128,304,601.20-49,256,695.20

Finding the Fourth Proportional to 85,536,400.80, 128,304,601.20 and 49,256,695.20

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Solution

The fourth proportional to 85,536,400.80, 128,304,601.20 and 49,256,695.20 is: 73,885,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,400.80 : 128,304,601.20 = 49,256,695.20 : x
  2. Step 2: Convert to fraction form
    85,536,400.80/128,304,601.20 = 49,256,695.20/x
  3. Step 3: Cross multiply
    85,536,400.80x = 128,304,601.20 × 49,256,695.20
  4. Step 4: Simplify right side
    85,536,400.80x = 6,319,860,634,065,955
  5. Step 5: Solve for x
    x = 6,319,860,634,065,955/85,536,400.80
  6. Step 6: Final answer
    x = 73,885,042.80

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1.5x scale

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.