Home / 292,479,708.60-403,626,875.82-158,521,901.70

Finding the Fourth Proportional to 292,479,708.60, 403,626,875.82 and 158,521,901.70

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Solution

The fourth proportional to 292,479,708.60, 403,626,875.82 and 158,521,901.70 is: 218,762,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,479,708.60 : 403,626,875.82 = 158,521,901.70 : x
  2. Step 2: Convert to fraction form
    292,479,708.60/403,626,875.82 = 158,521,901.70/x
  3. Step 3: Cross multiply
    292,479,708.60x = 403,626,875.82 × 158,521,901.70
  4. Step 4: Simplify right side
    292,479,708.60x = 63,983,699,932,216,144
  5. Step 5: Solve for x
    x = 63,983,699,932,216,144/292,479,708.60
  6. Step 6: Final answer
    x = 218,762,868.16

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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.