Home / 140,534,752.68-193,944,019.23-77,810,851.89

Finding the Fourth Proportional to 140,534,752.68, 193,944,019.23 and 77,810,851.89

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Solution

The fourth proportional to 140,534,752.68, 193,944,019.23 and 77,810,851.89 is: 107,382,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,534,752.68 : 193,944,019.23 = 77,810,851.89 : x
  2. Step 2: Convert to fraction form
    140,534,752.68/193,944,019.23 = 77,810,851.89/x
  3. Step 3: Cross multiply
    140,534,752.68x = 193,944,019.23 × 77,810,851.89
  4. Step 4: Simplify right side
    140,534,752.68x = 15,090,949,355,256,842
  5. Step 5: Solve for x
    x = 15,090,949,355,256,842/140,534,752.68
  6. Step 6: Final answer
    x = 107,382,331.18

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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.