Home / 113,791,509.79-157,032,778.32-61,580,550.04

Finding the Fourth Proportional to 113,791,509.79, 157,032,778.32 and 61,580,550.04

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Solution

The fourth proportional to 113,791,509.79, 157,032,778.32 and 61,580,550.04 is: 84,981,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,791,509.79 : 157,032,778.32 = 61,580,550.04 : x
  2. Step 2: Convert to fraction form
    113,791,509.79/157,032,778.32 = 61,580,550.04/x
  3. Step 3: Cross multiply
    113,791,509.79x = 157,032,778.32 × 61,580,550.04
  4. Step 4: Simplify right side
    113,791,509.79x = 9,670,164,863,254,986
  5. Step 5: Solve for x
    x = 9,670,164,863,254,986/113,791,509.79
  6. Step 6: Final answer
    x = 84,981,426.83

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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.