Home / 105,699,893.80-158,549,840.70-75,088,892.20

Finding the Fourth Proportional to 105,699,893.80, 158,549,840.70 and 75,088,892.20

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Solution

The fourth proportional to 105,699,893.80, 158,549,840.70 and 75,088,892.20 is: 112,633,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,699,893.80 : 158,549,840.70 = 75,088,892.20 : x
  2. Step 2: Convert to fraction form
    105,699,893.80/158,549,840.70 = 75,088,892.20/x
  3. Step 3: Cross multiply
    105,699,893.80x = 158,549,840.70 × 75,088,892.20
  4. Step 4: Simplify right side
    105,699,893.80x = 11,905,331,896,649,472
  5. Step 5: Solve for x
    x = 11,905,331,896,649,472/105,699,893.80
  6. Step 6: Final answer
    x = 112,633,338.30

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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.