Home / 87,370,153,363.28-120,536,504,370.33-50,742,033,279.50

Finding the Fourth Proportional to 87,370,153,363.28, 120,536,504,370.33 and 50,742,033,279.50

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Solution

The fourth proportional to 87,370,153,363.28, 120,536,504,370.33 and 50,742,033,279.50 is: 70,004,081,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,370,153,363.28 : 120,536,504,370.33 = 50,742,033,279.50 : x
  2. Step 2: Convert to fraction form
    87,370,153,363.28/120,536,504,370.33 = 50,742,033,279.50/x
  3. Step 3: Cross multiply
    87,370,153,363.28x = 120,536,504,370.33 × 50,742,033,279.50
  4. Step 4: Simplify right side
    87,370,153,363.28x = 6,116,267,316,154,244,005,888
  5. Step 5: Solve for x
    x = 6,116,267,316,154,244,005,888/87,370,153,363.28
  6. Step 6: Final answer
    x = 70,004,081,264.72

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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.