Home / 81,112,981.96-111,940,397.58-46,316,849.68

Finding the Fourth Proportional to 81,112,981.96, 111,940,397.58 and 46,316,849.68

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Solution

The fourth proportional to 81,112,981.96, 111,940,397.58 and 46,316,849.68 is: 63,919,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,112,981.96 : 111,940,397.58 = 46,316,849.68 : x
  2. Step 2: Convert to fraction form
    81,112,981.96/111,940,397.58 = 46,316,849.68/x
  3. Step 3: Cross multiply
    81,112,981.96x = 111,940,397.58 × 46,316,849.68
  4. Step 4: Simplify right side
    81,112,981.96x = 5,184,726,567,832,296
  5. Step 5: Solve for x
    x = 5,184,726,567,832,296/81,112,981.96
  6. Step 6: Final answer
    x = 63,919,812.13

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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.