Home / 128,065,313.44-176,730,095.28-69,327,935.02

Finding the Fourth Proportional to 128,065,313.44, 176,730,095.28 and 69,327,935.02

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Solution

The fourth proportional to 128,065,313.44, 176,730,095.28 and 69,327,935.02 is: 95,672,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,065,313.44 : 176,730,095.28 = 69,327,935.02 : x
  2. Step 2: Convert to fraction form
    128,065,313.44/176,730,095.28 = 69,327,935.02/x
  3. Step 3: Cross multiply
    128,065,313.44x = 176,730,095.28 × 69,327,935.02
  4. Step 4: Simplify right side
    128,065,313.44x = 12,252,332,561,650,248
  5. Step 5: Solve for x
    x = 12,252,332,561,650,248/128,065,313.44
  6. Step 6: Final answer
    x = 95,672,530.15

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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.