Home / 145,314,675.20-218,275,276.80-122,639,859.20

Finding the Fourth Proportional to 145,314,675.20, 218,275,276.80 and 122,639,859.20

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Solution

The fourth proportional to 145,314,675.20, 218,275,276.80 and 122,639,859.20 is: 184,215,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,314,675.20 : 218,275,276.80 = 122,639,859.20 : x
  2. Step 2: Convert to fraction form
    145,314,675.20/218,275,276.80 = 122,639,859.20/x
  3. Step 3: Cross multiply
    145,314,675.20x = 218,275,276.80 × 122,639,859.20
  4. Step 4: Simplify right side
    145,314,675.20x = 26,769,249,213,593,028
  5. Step 5: Solve for x
    x = 26,769,249,213,593,028/145,314,675.20
  6. Step 6: Final answer
    x = 184,215,731.66

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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.