Home / 132,860,040.90-199,321,554.15-68,173,829.70

Finding the Fourth Proportional to 132,860,040.90, 199,321,554.15 and 68,173,829.70

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Solution

The fourth proportional to 132,860,040.90, 199,321,554.15 and 68,173,829.70 is: 102,276,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,040.90 : 199,321,554.15 = 68,173,829.70 : x
  2. Step 2: Convert to fraction form
    132,860,040.90/199,321,554.15 = 68,173,829.70/x
  3. Step 3: Cross multiply
    132,860,040.90x = 199,321,554.15 × 68,173,829.70
  4. Step 4: Simplify right side
    132,860,040.90x = 13,588,513,688,161,430
  5. Step 5: Solve for x
    x = 13,588,513,688,161,430/132,860,040.90
  6. Step 6: Final answer
    x = 102,276,904.30

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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.