Home / 249,531,200.68-344,329,947.68-138,019,641.56

Finding the Fourth Proportional to 249,531,200.68, 344,329,947.68 and 138,019,641.56

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Solution

The fourth proportional to 249,531,200.68, 344,329,947.68 and 138,019,641.56 is: 190,454,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,531,200.68 : 344,329,947.68 = 138,019,641.56 : x
  2. Step 2: Convert to fraction form
    249,531,200.68/344,329,947.68 = 138,019,641.56/x
  3. Step 3: Cross multiply
    249,531,200.68x = 344,329,947.68 × 138,019,641.56
  4. Step 4: Simplify right side
    249,531,200.68x = 47,524,295,957,167,152
  5. Step 5: Solve for x
    x = 47,524,295,957,167,152/249,531,200.68
  6. Step 6: Final answer
    x = 190,454,323.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.