Home / 79,046,034.80-118,569,052.20-65,609,106.80

Finding the Fourth Proportional to 79,046,034.80, 118,569,052.20 and 65,609,106.80

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Solution

The fourth proportional to 79,046,034.80, 118,569,052.20 and 65,609,106.80 is: 98,413,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046,034.80 : 118,569,052.20 = 65,609,106.80 : x
  2. Step 2: Convert to fraction form
    79,046,034.80/118,569,052.20 = 65,609,106.80/x
  3. Step 3: Cross multiply
    79,046,034.80x = 118,569,052.20 × 65,609,106.80
  4. Step 4: Simplify right side
    79,046,034.80x = 7,779,209,608,964,575
  5. Step 5: Solve for x
    x = 7,779,209,608,964,575/79,046,034.80
  6. Step 6: Final answer
    x = 98,413,660.20

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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.