Home / 126,564,456.69-174,686,268.59-77,020,792.92

Finding the Fourth Proportional to 126,564,456.69, 174,686,268.59 and 77,020,792.92

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Solution

The fourth proportional to 126,564,456.69, 174,686,268.59 and 77,020,792.92 is: 106,305,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,564,456.69 : 174,686,268.59 = 77,020,792.92 : x
  2. Step 2: Convert to fraction form
    126,564,456.69/174,686,268.59 = 77,020,792.92/x
  3. Step 3: Cross multiply
    126,564,456.69x = 174,686,268.59 × 77,020,792.92
  4. Step 4: Simplify right side
    126,564,456.69x = 13,454,474,919,037,890
  5. Step 5: Solve for x
    x = 13,454,474,919,037,890/126,564,456.69
  6. Step 6: Final answer
    x = 106,305,318.81

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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.