Home / 249,318,013.20-373,977,019.80-242,143,559.70

Finding the Fourth Proportional to 249,318,013.20, 373,977,019.80 and 242,143,559.70

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Solution

The fourth proportional to 249,318,013.20, 373,977,019.80 and 242,143,559.70 is: 363,215,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,318,013.20 : 373,977,019.80 = 242,143,559.70 : x
  2. Step 2: Convert to fraction form
    249,318,013.20/373,977,019.80 = 242,143,559.70/x
  3. Step 3: Cross multiply
    249,318,013.20x = 373,977,019.80 × 242,143,559.70
  4. Step 4: Simplify right side
    249,318,013.20x = 90,556,126,820,369,376
  5. Step 5: Solve for x
    x = 90,556,126,820,369,376/249,318,013.20
  6. Step 6: Final answer
    x = 363,215,339.55

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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.