Home / 105,388,917.30-145,433,582.28-58,348,087.31

Finding the Fourth Proportional to 105,388,917.30, 145,433,582.28 and 58,348,087.31

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Solution

The fourth proportional to 105,388,917.30, 145,433,582.28 and 58,348,087.31 is: 80,518,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,388,917.30 : 145,433,582.28 = 58,348,087.31 : x
  2. Step 2: Convert to fraction form
    105,388,917.30/145,433,582.28 = 58,348,087.31/x
  3. Step 3: Cross multiply
    105,388,917.30x = 145,433,582.28 × 58,348,087.31
  4. Step 4: Simplify right side
    105,388,917.30x = 8,485,771,357,043,093
  5. Step 5: Solve for x
    x = 8,485,771,357,043,093/105,388,917.30
  6. Step 6: Final answer
    x = 80,518,631.13

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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.