Home / 249,187,491.15-343,882,345.64-137,680,897.47

Finding the Fourth Proportional to 249,187,491.15, 343,882,345.64 and 137,680,897.47

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Solution

The fourth proportional to 249,187,491.15, 343,882,345.64 and 137,680,897.47 is: 190,001,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,187,491.15 : 343,882,345.64 = 137,680,897.47 : x
  2. Step 2: Convert to fraction form
    249,187,491.15/343,882,345.64 = 137,680,897.47/x
  3. Step 3: Cross multiply
    249,187,491.15x = 343,882,345.64 × 137,680,897.47
  4. Step 4: Simplify right side
    249,187,491.15x = 47,346,029,971,115,536
  5. Step 5: Solve for x
    x = 47,346,029,971,115,536/249,187,491.15
  6. Step 6: Final answer
    x = 190,001,631.91

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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.