Home / 249,839,532.18-344,789,328.78-138,330,375.30

Finding the Fourth Proportional to 249,839,532.18, 344,789,328.78 and 138,330,375.30

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Solution

The fourth proportional to 249,839,532.18, 344,789,328.78 and 138,330,375.30 is: 190,901,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,839,532.18 : 344,789,328.78 = 138,330,375.30 : x
  2. Step 2: Convert to fraction form
    249,839,532.18/344,789,328.78 = 138,330,375.30/x
  3. Step 3: Cross multiply
    249,839,532.18x = 344,789,328.78 × 138,330,375.30
  4. Step 4: Simplify right side
    249,839,532.18x = 47,694,837,249,572,488
  5. Step 5: Solve for x
    x = 47,694,837,249,572,488/249,839,532.18
  6. Step 6: Final answer
    x = 190,901,883.43

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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.