Home / 139,699,525.40-209,549,288.10-105,687,301.40

Finding the Fourth Proportional to 139,699,525.40, 209,549,288.10 and 105,687,301.40

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Solution

The fourth proportional to 139,699,525.40, 209,549,288.10 and 105,687,301.40 is: 158,530,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,699,525.40 : 209,549,288.10 = 105,687,301.40 : x
  2. Step 2: Convert to fraction form
    139,699,525.40/209,549,288.10 = 105,687,301.40/x
  3. Step 3: Cross multiply
    139,699,525.40x = 209,549,288.10 × 105,687,301.40
  4. Step 4: Simplify right side
    139,699,525.40x = 22,146,698,769,580,132
  5. Step 5: Solve for x
    x = 22,146,698,769,580,132/139,699,525.40
  6. Step 6: Final answer
    x = 158,530,952.10

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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.