Home / 105,080,537.60-157,355,385.60-68,983,308.80

Finding the Fourth Proportional to 105,080,537.60, 157,355,385.60 and 68,983,308.80

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Solution

The fourth proportional to 105,080,537.60, 157,355,385.60 and 68,983,308.80 is: 103,300,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,080,537.60 : 157,355,385.60 = 68,983,308.80 : x
  2. Step 2: Convert to fraction form
    105,080,537.60/157,355,385.60 = 68,983,308.80/x
  3. Step 3: Cross multiply
    105,080,537.60x = 157,355,385.60 × 68,983,308.80
  4. Step 4: Simplify right side
    105,080,537.60x = 10,854,895,156,187,872
  5. Step 5: Solve for x
    x = 10,854,895,156,187,872/105,080,537.60
  6. Step 6: Final answer
    x = 103,300,719.66

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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.