Home / 249,986,825.70-344,984,578.65-138,479,374.50

Finding the Fourth Proportional to 249,986,825.70, 344,984,578.65 and 138,479,374.50

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Solution

The fourth proportional to 249,986,825.70, 344,984,578.65 and 138,479,374.50 is: 191,103,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,986,825.70 : 344,984,578.65 = 138,479,374.50 : x
  2. Step 2: Convert to fraction form
    249,986,825.70/344,984,578.65 = 138,479,374.50/x
  3. Step 3: Cross multiply
    249,986,825.70x = 344,984,578.65 × 138,479,374.50
  4. Step 4: Simplify right side
    249,986,825.70x = 47,773,248,663,598,048
  5. Step 5: Solve for x
    x = 47,773,248,663,598,048/249,986,825.70
  6. Step 6: Final answer
    x = 191,103,065.25

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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.