Home / 132,390,822,456.20-182,703,211,123.38-72,247,668,105.80

Finding the Fourth Proportional to 132,390,822,456.20, 182,703,211,123.38 and 72,247,668,105.80

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Solution

The fourth proportional to 132,390,822,456.20, 182,703,211,123.38 and 72,247,668,105.80 is: 99,703,897,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,390,822,456.20 : 182,703,211,123.38 = 72,247,668,105.80 : x
  2. Step 2: Convert to fraction form
    132,390,822,456.20/182,703,211,123.38 = 72,247,668,105.80/x
  3. Step 3: Cross multiply
    132,390,822,456.20x = 182,703,211,123.38 × 72,247,668,105.80
  4. Step 4: Simplify right side
    132,390,822,456.20x = 13,199,880,959,105,865,613,312
  5. Step 5: Solve for x
    x = 13,199,880,959,105,865,613,312/132,390,822,456.20
  6. Step 6: Final answer
    x = 99,703,897,250.68

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1.5x scale

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.