Home / 249,318,000.70-373,977,001.05-242,143,547.20

Finding the Fourth Proportional to 249,318,000.70, 373,977,001.05 and 242,143,547.20

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Solution

The fourth proportional to 249,318,000.70, 373,977,001.05 and 242,143,547.20 is: 363,215,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,318,000.70 : 373,977,001.05 = 242,143,547.20 : x
  2. Step 2: Convert to fraction form
    249,318,000.70/373,977,001.05 = 242,143,547.20/x
  3. Step 3: Cross multiply
    249,318,000.70x = 373,977,001.05 × 242,143,547.20
  4. Step 4: Simplify right side
    249,318,000.70x = 90,556,117,605,465,120
  5. Step 5: Solve for x
    x = 90,556,117,605,465,120/249,318,000.70
  6. Step 6: Final answer
    x = 363,215,320.80

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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.