Home / 249,606,709.89-373,681,531.38-145,657,375.17

Finding the Fourth Proportional to 249,606,709.89, 373,681,531.38 and 145,657,375.17

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Solution

The fourth proportional to 249,606,709.89, 373,681,531.38 and 145,657,375.17 is: 218,060,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,606,709.89 : 373,681,531.38 = 145,657,375.17 : x
  2. Step 2: Convert to fraction form
    249,606,709.89/373,681,531.38 = 145,657,375.17/x
  3. Step 3: Cross multiply
    249,606,709.89x = 373,681,531.38 × 145,657,375.17
  4. Step 4: Simplify right side
    249,606,709.89x = 54,429,471,012,264,320
  5. Step 5: Solve for x
    x = 54,429,471,012,264,320/249,606,709.89
  6. Step 6: Final answer
    x = 218,060,928.87

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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.