Home / 148,009,872.16-222,013,567.92-115,688,956.96

Finding the Fourth Proportional to 148,009,872.16, 222,013,567.92 and 115,688,956.96

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Solution

The fourth proportional to 148,009,872.16, 222,013,567.92 and 115,688,956.96 is: 173,532,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,009,872.16 : 222,013,567.92 = 115,688,956.96 : x
  2. Step 2: Convert to fraction form
    148,009,872.16/222,013,567.92 = 115,688,956.96/x
  3. Step 3: Cross multiply
    148,009,872.16x = 222,013,567.92 × 115,688,956.96
  4. Step 4: Simplify right side
    148,009,872.16x = 25,684,518,103,632,912
  5. Step 5: Solve for x
    x = 25,684,518,103,632,912/148,009,872.16
  6. Step 6: Final answer
    x = 173,532,465.97

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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.