Home / 249,227,621.40-373,841,432.10-85,443,410.10

Finding the Fourth Proportional to 249,227,621.40, 373,841,432.10 and 85,443,410.10

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Solution

The fourth proportional to 249,227,621.40, 373,841,432.10 and 85,443,410.10 is: 128,165,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,227,621.40 : 373,841,432.10 = 85,443,410.10 : x
  2. Step 2: Convert to fraction form
    249,227,621.40/373,841,432.10 = 85,443,410.10/x
  3. Step 3: Cross multiply
    249,227,621.40x = 373,841,432.10 × 85,443,410.10
  4. Step 4: Simplify right side
    249,227,621.40x = 31,942,286,795,291,604
  5. Step 5: Solve for x
    x = 31,942,286,795,291,604/249,227,621.40
  6. Step 6: Final answer
    x = 128,165,115.15

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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.