Home / 116,079,892.32-173,928,518.45-67,421,154.36

Finding the Fourth Proportional to 116,079,892.32, 173,928,518.45 and 67,421,154.36

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Solution

The fourth proportional to 116,079,892.32, 173,928,518.45 and 67,421,154.36 is: 101,020,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,079,892.32 : 173,928,518.45 = 67,421,154.36 : x
  2. Step 2: Convert to fraction form
    116,079,892.32/173,928,518.45 = 67,421,154.36/x
  3. Step 3: Cross multiply
    116,079,892.32x = 173,928,518.45 × 67,421,154.36
  4. Step 4: Simplify right side
    116,079,892.32x = 11,726,461,490,023,558
  5. Step 5: Solve for x
    x = 11,726,461,490,023,558/116,079,892.32
  6. Step 6: Final answer
    x = 101,020,609.65

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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.