Home / 50,176,000.80-75,431,962.80-42,785,690.40

Finding the Fourth Proportional to 50,176,000.80, 75,431,962.80 and 42,785,690.40

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Solution

The fourth proportional to 50,176,000.80, 75,431,962.80 and 42,785,690.40 is: 64,321,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,176,000.80 : 75,431,962.80 = 42,785,690.40 : x
  2. Step 2: Convert to fraction form
    50,176,000.80/75,431,962.80 = 42,785,690.40/x
  3. Step 3: Cross multiply
    50,176,000.80x = 75,431,962.80 × 42,785,690.40
  4. Step 4: Simplify right side
    50,176,000.80x = 3,227,408,606,625,117
  5. Step 5: Solve for x
    x = 3,227,408,606,625,117/50,176,000.80
  6. Step 6: Final answer
    x = 64,321,758.51

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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.