Home / 129,870,870.40-194,806,305.60-118,155,548.80

Finding the Fourth Proportional to 129,870,870.40, 194,806,305.60 and 118,155,548.80

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Solution

The fourth proportional to 129,870,870.40, 194,806,305.60 and 118,155,548.80 is: 177,233,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,870,870.40 : 194,806,305.60 = 118,155,548.80 : x
  2. Step 2: Convert to fraction form
    129,870,870.40/194,806,305.60 = 118,155,548.80/x
  3. Step 3: Cross multiply
    129,870,870.40x = 194,806,305.60 × 118,155,548.80
  4. Step 4: Simplify right side
    129,870,870.40x = 23,017,445,947,868,512
  5. Step 5: Solve for x
    x = 23,017,445,947,868,512/129,870,870.40
  6. Step 6: Final answer
    x = 177,233,323.20

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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.