Home / 126,445,308.90-189,809,680.95-97,818,353.70

Finding the Fourth Proportional to 126,445,308.90, 189,809,680.95 and 97,818,353.70

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Solution

The fourth proportional to 126,445,308.90, 189,809,680.95 and 97,818,353.70 is: 146,837,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,445,308.90 : 189,809,680.95 = 97,818,353.70 : x
  2. Step 2: Convert to fraction form
    126,445,308.90/189,809,680.95 = 97,818,353.70/x
  3. Step 3: Cross multiply
    126,445,308.90x = 189,809,680.95 × 97,818,353.70
  4. Step 4: Simplify right side
    126,445,308.90x = 18,566,870,506,851,252
  5. Step 5: Solve for x
    x = 18,566,870,506,851,252/126,445,308.90
  6. Step 6: Final answer
    x = 146,837,163.58

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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.