Home / 249,375,068.70-344,148,222.87-139,366,778.46

Finding the Fourth Proportional to 249,375,068.70, 344,148,222.87 and 139,366,778.46

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Solution

The fourth proportional to 249,375,068.70, 344,148,222.87 and 139,366,778.46 is: 192,332,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,375,068.70 : 344,148,222.87 = 139,366,778.46 : x
  2. Step 2: Convert to fraction form
    249,375,068.70/344,148,222.87 = 139,366,778.46/x
  3. Step 3: Cross multiply
    249,375,068.70x = 344,148,222.87 × 139,366,778.46
  4. Step 4: Simplify right side
    249,375,068.70x = 47,962,829,134,126,000
  5. Step 5: Solve for x
    x = 47,962,829,134,126,000/249,375,068.70
  6. Step 6: Final answer
    x = 192,332,093.92

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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.