Home / 105,171,287.80-145,143,887.40-58,127,350.30

Finding the Fourth Proportional to 105,171,287.80, 145,143,887.40 and 58,127,350.30

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Solution

The fourth proportional to 105,171,287.80, 145,143,887.40 and 58,127,350.30 is: 80,219,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,171,287.80 : 145,143,887.40 = 58,127,350.30 : x
  2. Step 2: Convert to fraction form
    105,171,287.80/145,143,887.40 = 58,127,350.30/x
  3. Step 3: Cross multiply
    105,171,287.80x = 145,143,887.40 × 58,127,350.30
  4. Step 4: Simplify right side
    105,171,287.80x = 8,436,829,586,803,556
  5. Step 5: Solve for x
    x = 8,436,829,586,803,556/105,171,287.80
  6. Step 6: Final answer
    x = 80,219,894.26

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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.