Home / 157,464,774.20-236,315,259.30-80,748,313.40

Finding the Fourth Proportional to 157,464,774.20, 236,315,259.30 and 80,748,313.40

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Solution

The fourth proportional to 157,464,774.20, 236,315,259.30 and 80,748,313.40 is: 121,183,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,774.20 : 236,315,259.30 = 80,748,313.40 : x
  2. Step 2: Convert to fraction form
    157,464,774.20/236,315,259.30 = 80,748,313.40/x
  3. Step 3: Cross multiply
    157,464,774.20x = 236,315,259.30 × 80,748,313.40
  4. Step 4: Simplify right side
    157,464,774.20x = 19,082,058,619,158,668
  5. Step 5: Solve for x
    x = 19,082,058,619,158,668/157,464,774.20
  6. Step 6: Final answer
    x = 121,183,031.04

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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.