Home / 126,433,655.40-189,792,200.70-97,806,700.20

Finding the Fourth Proportional to 126,433,655.40, 189,792,200.70 and 97,806,700.20

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Solution

The fourth proportional to 126,433,655.40, 189,792,200.70 and 97,806,700.20 is: 146,819,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,433,655.40 : 189,792,200.70 = 97,806,700.20 : x
  2. Step 2: Convert to fraction form
    126,433,655.40/189,792,200.70 = 97,806,700.20/x
  3. Step 3: Cross multiply
    126,433,655.40x = 189,792,200.70 × 97,806,700.20
  4. Step 4: Simplify right side
    126,433,655.40x = 18,562,948,874,163,128
  5. Step 5: Solve for x
    x = 18,562,948,874,163,128/126,433,655.40
  6. Step 6: Final answer
    x = 146,819,680.37

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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.