Home / 385,734,189.07-532,357,340.19-216,234,207.05

Finding the Fourth Proportional to 385,734,189.07, 532,357,340.19 and 216,234,207.05

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Solution

The fourth proportional to 385,734,189.07, 532,357,340.19 and 216,234,207.05 is: 298,427,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,734,189.07 : 532,357,340.19 = 216,234,207.05 : x
  2. Step 2: Convert to fraction form
    385,734,189.07/532,357,340.19 = 216,234,207.05/x
  3. Step 3: Cross multiply
    385,734,189.07x = 532,357,340.19 × 216,234,207.05
  4. Step 4: Simplify right side
    385,734,189.07x = 115,113,867,323,231,760
  5. Step 5: Solve for x
    x = 115,113,867,323,231,760/385,734,189.07
  6. Step 6: Final answer
    x = 298,427,960.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.