Home / 145,155,963.40-217,482,002.70-94,011,656.20

Finding the Fourth Proportional to 145,155,963.40, 217,482,002.70 and 94,011,656.20

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Solution

The fourth proportional to 145,155,963.40, 217,482,002.70 and 94,011,656.20 is: 140,854,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,963.40 : 217,482,002.70 = 94,011,656.20 : x
  2. Step 2: Convert to fraction form
    145,155,963.40/217,482,002.70 = 94,011,656.20/x
  3. Step 3: Cross multiply
    145,155,963.40x = 217,482,002.70 × 94,011,656.20
  4. Step 4: Simplify right side
    145,155,963.40x = 20,445,843,267,519,872
  5. Step 5: Solve for x
    x = 20,445,843,267,519,872/145,155,963.40
  6. Step 6: Final answer
    x = 140,854,311.38

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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.