Home / 249,615,139.20-373,974,811.20-213,783,331.20

Finding the Fourth Proportional to 249,615,139.20, 373,974,811.20 and 213,783,331.20

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Solution

The fourth proportional to 249,615,139.20, 373,974,811.20 and 213,783,331.20 is: 320,291,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,615,139.20 : 373,974,811.20 = 213,783,331.20 : x
  2. Step 2: Convert to fraction form
    249,615,139.20/373,974,811.20 = 213,783,331.20/x
  3. Step 3: Cross multiply
    249,615,139.20x = 373,974,811.20 × 213,783,331.20
  4. Step 4: Simplify right side
    249,615,139.20x = 79,949,580,923,227,056
  5. Step 5: Solve for x
    x = 79,949,580,923,227,056/249,615,139.20
  6. Step 6: Final answer
    x = 320,291,394.10

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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.