Home / 105,388,919.30-145,433,585.04-58,348,089.31

Finding the Fourth Proportional to 105,388,919.30, 145,433,585.04 and 58,348,089.31

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Solution

The fourth proportional to 105,388,919.30, 145,433,585.04 and 58,348,089.31 is: 80,518,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,388,919.30 : 145,433,585.04 = 58,348,089.31 : x
  2. Step 2: Convert to fraction form
    105,388,919.30/145,433,585.04 = 58,348,089.31/x
  3. Step 3: Cross multiply
    105,388,919.30x = 145,433,585.04 × 58,348,089.31
  4. Step 4: Simplify right side
    105,388,919.30x = 8,485,771,808,587,400
  5. Step 5: Solve for x
    x = 8,485,771,808,587,400/105,388,919.30
  6. Step 6: Final answer
    x = 80,518,633.88

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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.