Home / 98,935,576.80-148,403,365.20-83,063,205.60

Finding the Fourth Proportional to 98,935,576.80, 148,403,365.20 and 83,063,205.60

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Solution

The fourth proportional to 98,935,576.80, 148,403,365.20 and 83,063,205.60 is: 124,594,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,935,576.80 : 148,403,365.20 = 83,063,205.60 : x
  2. Step 2: Convert to fraction form
    98,935,576.80/148,403,365.20 = 83,063,205.60/x
  3. Step 3: Cross multiply
    98,935,576.80x = 148,403,365.20 × 83,063,205.60
  4. Step 4: Simplify right side
    98,935,576.80x = 12,326,859,235,339,484
  5. Step 5: Solve for x
    x = 12,326,859,235,339,484/98,935,576.80
  6. Step 6: Final answer
    x = 124,594,808.40

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Similar ratio
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1.5x scale

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.