Home / 132,868,124.60-199,152,887.70-68,146,921.40

Finding the Fourth Proportional to 132,868,124.60, 199,152,887.70 and 68,146,921.40

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Solution

The fourth proportional to 132,868,124.60, 199,152,887.70 and 68,146,921.40 is: 102,143,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,124.60 : 199,152,887.70 = 68,146,921.40 : x
  2. Step 2: Convert to fraction form
    132,868,124.60/199,152,887.70 = 68,146,921.40/x
  3. Step 3: Cross multiply
    132,868,124.60x = 199,152,887.70 × 68,146,921.40
  4. Step 4: Simplify right side
    132,868,124.60x = 13,571,656,184,674,928
  5. Step 5: Solve for x
    x = 13,571,656,184,674,928/132,868,124.60
  6. Step 6: Final answer
    x = 102,143,807.82

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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.