Home / 126,103,068.48-174,022,155.90-68,156,316.48

Finding the Fourth Proportional to 126,103,068.48, 174,022,155.90 and 68,156,316.48

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Solution

The fourth proportional to 126,103,068.48, 174,022,155.90 and 68,156,316.48 is: 94,055,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,103,068.48 : 174,022,155.90 = 68,156,316.48 : x
  2. Step 2: Convert to fraction form
    126,103,068.48/174,022,155.90 = 68,156,316.48/x
  3. Step 3: Cross multiply
    126,103,068.48x = 174,022,155.90 × 68,156,316.48
  4. Step 4: Simplify right side
    126,103,068.48x = 11,860,709,132,052,300
  5. Step 5: Solve for x
    x = 11,860,709,132,052,300/126,103,068.48
  6. Step 6: Final answer
    x = 94,055,674.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.