Home / 82,958,689.60-124,438,034.40-52,688,276.80

Finding the Fourth Proportional to 82,958,689.60, 124,438,034.40 and 52,688,276.80

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Solution

The fourth proportional to 82,958,689.60, 124,438,034.40 and 52,688,276.80 is: 79,032,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,958,689.60 : 124,438,034.40 = 52,688,276.80 : x
  2. Step 2: Convert to fraction form
    82,958,689.60/124,438,034.40 = 52,688,276.80/x
  3. Step 3: Cross multiply
    82,958,689.60x = 124,438,034.40 × 52,688,276.80
  4. Step 4: Simplify right side
    82,958,689.60x = 6,556,425,600,915,122
  5. Step 5: Solve for x
    x = 6,556,425,600,915,122/82,958,689.60
  6. Step 6: Final answer
    x = 79,032,415.20

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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.