Home / 79,272,002.80-118,908,004.20-52,149,703.60

Finding the Fourth Proportional to 79,272,002.80, 118,908,004.20 and 52,149,703.60

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Solution

The fourth proportional to 79,272,002.80, 118,908,004.20 and 52,149,703.60 is: 78,224,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272,002.80 : 118,908,004.20 = 52,149,703.60 : x
  2. Step 2: Convert to fraction form
    79,272,002.80/118,908,004.20 = 52,149,703.60/x
  3. Step 3: Cross multiply
    79,272,002.80x = 118,908,004.20 × 52,149,703.60
  4. Step 4: Simplify right side
    79,272,002.80x = 6,201,017,174,697,555
  5. Step 5: Solve for x
    x = 6,201,017,174,697,555/79,272,002.80
  6. Step 6: Final answer
    x = 78,224,555.40

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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.