Home / 249,673,849.92-344,550,479.76-138,172,804.20

Finding the Fourth Proportional to 249,673,849.92, 344,550,479.76 and 138,172,804.20

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Solution

The fourth proportional to 249,673,849.92, 344,550,479.76 and 138,172,804.20 is: 190,678,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,673,849.92 : 344,550,479.76 = 138,172,804.20 : x
  2. Step 2: Convert to fraction form
    249,673,849.92/344,550,479.76 = 138,172,804.20/x
  3. Step 3: Cross multiply
    249,673,849.92x = 344,550,479.76 × 138,172,804.20
  4. Step 4: Simplify right side
    249,673,849.92x = 47,607,505,976,894,536
  5. Step 5: Solve for x
    x = 47,607,505,976,894,536/249,673,849.92
  6. Step 6: Final answer
    x = 190,678,783.51

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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.