Home / 126,788,288.40-190,223,285.76-57,725,802.72

Finding the Fourth Proportional to 126,788,288.40, 190,223,285.76 and 57,725,802.72

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Solution

The fourth proportional to 126,788,288.40, 190,223,285.76 and 57,725,802.72 is: 86,607,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,788,288.40 : 190,223,285.76 = 57,725,802.72 : x
  2. Step 2: Convert to fraction form
    126,788,288.40/190,223,285.76 = 57,725,802.72/x
  3. Step 3: Cross multiply
    126,788,288.40x = 190,223,285.76 × 57,725,802.72
  4. Step 4: Simplify right side
    126,788,288.40x = 10,980,791,866,531,944
  5. Step 5: Solve for x
    x = 10,980,791,866,531,944/126,788,288.40
  6. Step 6: Final answer
    x = 86,607,304.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.