Home / 212,123,672.28-292,564,831.20-137,808,177.30

Finding the Fourth Proportional to 212,123,672.28, 292,564,831.20 and 137,808,177.30

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Solution

The fourth proportional to 212,123,672.28, 292,564,831.20 and 137,808,177.30 is: 190,067,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,123,672.28 : 292,564,831.20 = 137,808,177.30 : x
  2. Step 2: Convert to fraction form
    212,123,672.28/292,564,831.20 = 137,808,177.30/x
  3. Step 3: Cross multiply
    212,123,672.28x = 292,564,831.20 × 137,808,177.30
  4. Step 4: Simplify right side
    212,123,672.28x = 40,317,826,129,754,176
  5. Step 5: Solve for x
    x = 40,317,826,129,754,176/212,123,672.28
  6. Step 6: Final answer
    x = 190,067,547.37

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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.