Home / 99,066,580.66-136,713,520.57-54,416,678.68

Finding the Fourth Proportional to 99,066,580.66, 136,713,520.57 and 54,416,678.68

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Solution

The fourth proportional to 99,066,580.66, 136,713,520.57 and 54,416,678.68 is: 75,095,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066,580.66 : 136,713,520.57 = 54,416,678.68 : x
  2. Step 2: Convert to fraction form
    99,066,580.66/136,713,520.57 = 54,416,678.68/x
  3. Step 3: Cross multiply
    99,066,580.66x = 136,713,520.57 × 54,416,678.68
  4. Step 4: Simplify right side
    99,066,580.66x = 7,439,495,720,052,959
  5. Step 5: Solve for x
    x = 7,439,495,720,052,959/99,066,580.66
  6. Step 6: Final answer
    x = 75,095,917.02

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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.