Home / 115,087,565.80-172,697,703.90-43,335,476.20

Finding the Fourth Proportional to 115,087,565.80, 172,697,703.90 and 43,335,476.20

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Solution

The fourth proportional to 115,087,565.80, 172,697,703.90 and 43,335,476.20 is: 65,028,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,087,565.80 : 172,697,703.90 = 43,335,476.20 : x
  2. Step 2: Convert to fraction form
    115,087,565.80/172,697,703.90 = 43,335,476.20/x
  3. Step 3: Cross multiply
    115,087,565.80x = 172,697,703.90 × 43,335,476.20
  4. Step 4: Simplify right side
    115,087,565.80x = 7,483,937,237,153,098
  5. Step 5: Solve for x
    x = 7,483,937,237,153,098/115,087,565.80
  6. Step 6: Final answer
    x = 65,028,199.92

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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.