Home / 191,780,928.11-264,729,650.59-125,705,681.93

Finding the Fourth Proportional to 191,780,928.11, 264,729,650.59 and 125,705,681.93

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Solution

The fourth proportional to 191,780,928.11, 264,729,650.59 and 125,705,681.93 is: 173,521,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,780,928.11 : 264,729,650.59 = 125,705,681.93 : x
  2. Step 2: Convert to fraction form
    191,780,928.11/264,729,650.59 = 125,705,681.93/x
  3. Step 3: Cross multiply
    191,780,928.11x = 264,729,650.59 × 125,705,681.93
  4. Step 4: Simplify right side
    191,780,928.11x = 33,278,021,255,325,536
  5. Step 5: Solve for x
    x = 33,278,021,255,325,536/191,780,928.11
  6. Step 6: Final answer
    x = 173,521,014.75

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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.