Home / 127,763,685.96-191,645,507.07-40,386,540.50

Finding the Fourth Proportional to 127,763,685.96, 191,645,507.07 and 40,386,540.50

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Solution

The fourth proportional to 127,763,685.96, 191,645,507.07 and 40,386,540.50 is: 60,579,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,763,685.96 : 191,645,507.07 = 40,386,540.50 : x
  2. Step 2: Convert to fraction form
    127,763,685.96/191,645,507.07 = 40,386,540.50/x
  3. Step 3: Cross multiply
    127,763,685.96x = 191,645,507.07 × 40,386,540.50
  4. Step 4: Simplify right side
    127,763,685.96x = 7,739,899,032,723,659
  5. Step 5: Solve for x
    x = 7,739,899,032,723,659/127,763,685.96
  6. Step 6: Final answer
    x = 60,579,803.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.