Home / 108,915,134.70-163,420,946.84-57,087,420.24

Finding the Fourth Proportional to 108,915,134.70, 163,420,946.84 and 57,087,420.24

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Solution

The fourth proportional to 108,915,134.70, 163,420,946.84 and 57,087,420.24 is: 85,656,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915,134.70 : 163,420,946.84 = 57,087,420.24 : x
  2. Step 2: Convert to fraction form
    108,915,134.70/163,420,946.84 = 57,087,420.24/x
  3. Step 3: Cross multiply
    108,915,134.70x = 163,420,946.84 × 57,087,420.24
  4. Step 4: Simplify right side
    108,915,134.70x = 9,329,280,268,489,294
  5. Step 5: Solve for x
    x = 9,329,280,268,489,294/108,915,134.70
  6. Step 6: Final answer
    x = 85,656,417.67

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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.