Home / 118,249,739.40-177,253,886.70-79,915,128.60

Finding the Fourth Proportional to 118,249,739.40, 177,253,886.70 and 79,915,128.60

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Solution

The fourth proportional to 118,249,739.40, 177,253,886.70 and 79,915,128.60 is: 119,791,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249,739.40 : 177,253,886.70 = 79,915,128.60 : x
  2. Step 2: Convert to fraction form
    118,249,739.40/177,253,886.70 = 79,915,128.60/x
  3. Step 3: Cross multiply
    118,249,739.40x = 177,253,886.70 × 79,915,128.60
  4. Step 4: Simplify right side
    118,249,739.40x = 14,165,267,150,480,328
  5. Step 5: Solve for x
    x = 14,165,267,150,480,328/118,249,739.40
  6. Step 6: Final answer
    x = 119,791,106.71

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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.