Home / 72,301,150.40-99,738,694.32-46,168,191.68

Finding the Fourth Proportional to 72,301,150.40, 99,738,694.32 and 46,168,191.68

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Solution

The fourth proportional to 72,301,150.40, 99,738,694.32 and 46,168,191.68 is: 63,688,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,301,150.40 : 99,738,694.32 = 46,168,191.68 : x
  2. Step 2: Convert to fraction form
    72,301,150.40/99,738,694.32 = 46,168,191.68/x
  3. Step 3: Cross multiply
    72,301,150.40x = 99,738,694.32 × 46,168,191.68
  4. Step 4: Simplify right side
    72,301,150.40x = 4,604,755,157,278,687
  5. Step 5: Solve for x
    x = 4,604,755,157,278,687/72,301,150.40
  6. Step 6: Final answer
    x = 63,688,546.20

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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.