Home / 130,107,633.71-179,546,858.13-74,352,414.86

Finding the Fourth Proportional to 130,107,633.71, 179,546,858.13 and 74,352,414.86

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Solution

The fourth proportional to 130,107,633.71, 179,546,858.13 and 74,352,414.86 is: 102,605,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,107,633.71 : 179,546,858.13 = 74,352,414.86 : x
  2. Step 2: Convert to fraction form
    130,107,633.71/179,546,858.13 = 74,352,414.86/x
  3. Step 3: Cross multiply
    130,107,633.71x = 179,546,858.13 × 74,352,414.86
  4. Step 4: Simplify right side
    130,107,633.71x = 13,349,742,482,491,324
  5. Step 5: Solve for x
    x = 13,349,742,482,491,324/130,107,633.71
  6. Step 6: Final answer
    x = 102,605,374.50

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1.5x scale

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.