Home / 249,320,474.28-373,962,974.40-76,779,296.28

Finding the Fourth Proportional to 249,320,474.28, 373,962,974.40 and 76,779,296.28

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Solution

The fourth proportional to 249,320,474.28, 373,962,974.40 and 76,779,296.28 is: 115,163,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,320,474.28 : 373,962,974.40 = 76,779,296.28 : x
  2. Step 2: Convert to fraction form
    249,320,474.28/373,962,974.40 = 76,779,296.28/x
  3. Step 3: Cross multiply
    249,320,474.28x = 373,962,974.40 × 76,779,296.28
  4. Step 4: Simplify right side
    249,320,474.28x = 28,712,614,009,207,652
  5. Step 5: Solve for x
    x = 28,712,614,009,207,652/249,320,474.28
  6. Step 6: Final answer
    x = 115,163,482.23

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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.