Home / 127,401,961.10-191,102,941.65-69,872,002.70

Finding the Fourth Proportional to 127,401,961.10, 191,102,941.65 and 69,872,002.70

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Solution

The fourth proportional to 127,401,961.10, 191,102,941.65 and 69,872,002.70 is: 104,808,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,401,961.10 : 191,102,941.65 = 69,872,002.70 : x
  2. Step 2: Convert to fraction form
    127,401,961.10/191,102,941.65 = 69,872,002.70/x
  3. Step 3: Cross multiply
    127,401,961.10x = 191,102,941.65 × 69,872,002.70
  4. Step 4: Simplify right side
    127,401,961.10x = 13,352,745,254,946,744
  5. Step 5: Solve for x
    x = 13,352,745,254,946,744/127,401,961.10
  6. Step 6: Final answer
    x = 104,808,004.05

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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.