Home / 249,262,973.82-343,964,882.70-137,752,480.26

Finding the Fourth Proportional to 249,262,973.82, 343,964,882.70 and 137,752,480.26

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Solution

The fourth proportional to 249,262,973.82, 343,964,882.70 and 137,752,480.26 is: 190,088,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,262,973.82 : 343,964,882.70 = 137,752,480.26 : x
  2. Step 2: Convert to fraction form
    249,262,973.82/343,964,882.70 = 137,752,480.26/x
  3. Step 3: Cross multiply
    249,262,973.82x = 343,964,882.70 × 137,752,480.26
  4. Step 4: Simplify right side
    249,262,973.82x = 47,382,015,714,264,960
  5. Step 5: Solve for x
    x = 47,382,015,714,264,960/249,262,973.82
  6. Step 6: Final answer
    x = 190,088,463.55

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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.