Home / 139,622,117.40-209,433,176.10-118,098,756.90

Finding the Fourth Proportional to 139,622,117.40, 209,433,176.10 and 118,098,756.90

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Solution

The fourth proportional to 139,622,117.40, 209,433,176.10 and 118,098,756.90 is: 177,148,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,622,117.40 : 209,433,176.10 = 118,098,756.90 : x
  2. Step 2: Convert to fraction form
    139,622,117.40/209,433,176.10 = 118,098,756.90/x
  3. Step 3: Cross multiply
    139,622,117.40x = 209,433,176.10 × 118,098,756.90
  4. Step 4: Simplify right side
    139,622,117.40x = 24,733,797,751,028,792
  5. Step 5: Solve for x
    x = 24,733,797,751,028,792/139,622,117.40
  6. Step 6: Final answer
    x = 177,148,135.35

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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.