Home / 249,786,491.38-344,709,439.12-136,754,097.50

Finding the Fourth Proportional to 249,786,491.38, 344,709,439.12 and 136,754,097.50

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Solution

The fourth proportional to 249,786,491.38, 344,709,439.12 and 136,754,097.50 is: 188,722,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,786,491.38 : 344,709,439.12 = 136,754,097.50 : x
  2. Step 2: Convert to fraction form
    249,786,491.38/344,709,439.12 = 136,754,097.50/x
  3. Step 3: Cross multiply
    249,786,491.38x = 344,709,439.12 × 136,754,097.50
  4. Step 4: Simplify right side
    249,786,491.38x = 47,140,428,246,586,792
  5. Step 5: Solve for x
    x = 47,140,428,246,586,792/249,786,491.38
  6. Step 6: Final answer
    x = 188,722,888.84

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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.