Home / 126,742,510.40-190,188,415.20-83,736,046.40

Finding the Fourth Proportional to 126,742,510.40, 190,188,415.20 and 83,736,046.40

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Solution

The fourth proportional to 126,742,510.40, 190,188,415.20 and 83,736,046.40 is: 125,653,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,742,510.40 : 190,188,415.20 = 83,736,046.40 : x
  2. Step 2: Convert to fraction form
    126,742,510.40/190,188,415.20 = 83,736,046.40/x
  3. Step 3: Cross multiply
    126,742,510.40x = 190,188,415.20 × 83,736,046.40
  4. Step 4: Simplify right side
    126,742,510.40x = 15,925,625,959,929,666
  5. Step 5: Solve for x
    x = 15,925,625,959,929,666/126,742,510.40
  6. Step 6: Final answer
    x = 125,653,388.98

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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.