Home / 81,459,385.73-112,417,795.47-46,177,874.64

Finding the Fourth Proportional to 81,459,385.73, 112,417,795.47 and 46,177,874.64

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Solution

The fourth proportional to 81,459,385.73, 112,417,795.47 and 46,177,874.64 is: 63,727,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,459,385.73 : 112,417,795.47 = 46,177,874.64 : x
  2. Step 2: Convert to fraction form
    81,459,385.73/112,417,795.47 = 46,177,874.64/x
  3. Step 3: Cross multiply
    81,459,385.73x = 112,417,795.47 × 46,177,874.64
  4. Step 4: Simplify right side
    81,459,385.73x = 5,191,214,866,518,820
  5. Step 5: Solve for x
    x = 5,191,214,866,518,820/81,459,385.73
  6. Step 6: Final answer
    x = 63,727,645.62

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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.