Home / 232,209,427.68-320,376,856.95-131,721,315.72

Finding the Fourth Proportional to 232,209,427.68, 320,376,856.95 and 131,721,315.72

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Solution

The fourth proportional to 232,209,427.68, 320,376,856.95 and 131,721,315.72 is: 181,734,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,209,427.68 : 320,376,856.95 = 131,721,315.72 : x
  2. Step 2: Convert to fraction form
    232,209,427.68/320,376,856.95 = 131,721,315.72/x
  3. Step 3: Cross multiply
    232,209,427.68x = 320,376,856.95 × 131,721,315.72
  4. Step 4: Simplify right side
    232,209,427.68x = 42,200,461,123,692,224
  5. Step 5: Solve for x
    x = 42,200,461,123,692,224/232,209,427.68
  6. Step 6: Final answer
    x = 181,734,486.60

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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.