Home / 145,155,965.40-217,482,005.70-94,011,658.20

Finding the Fourth Proportional to 145,155,965.40, 217,482,005.70 and 94,011,658.20

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Solution

The fourth proportional to 145,155,965.40, 217,482,005.70 and 94,011,658.20 is: 140,854,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,965.40 : 217,482,005.70 = 94,011,658.20 : x
  2. Step 2: Convert to fraction form
    145,155,965.40/217,482,005.70 = 94,011,658.20/x
  3. Step 3: Cross multiply
    145,155,965.40x = 217,482,005.70 × 94,011,658.20
  4. Step 4: Simplify right side
    145,155,965.40x = 20,445,843,984,518,852
  5. Step 5: Solve for x
    x = 20,445,843,984,518,852/145,155,965.40
  6. Step 6: Final answer
    x = 140,854,314.38

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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.