Home / 100,886,860.80-151,330,291.20-64,536,296.40

Finding the Fourth Proportional to 100,886,860.80, 151,330,291.20 and 64,536,296.40

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Solution

The fourth proportional to 100,886,860.80, 151,330,291.20 and 64,536,296.40 is: 96,804,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,886,860.80 : 151,330,291.20 = 64,536,296.40 : x
  2. Step 2: Convert to fraction form
    100,886,860.80/151,330,291.20 = 64,536,296.40/x
  3. Step 3: Cross multiply
    100,886,860.80x = 151,330,291.20 × 64,536,296.40
  4. Step 4: Simplify right side
    100,886,860.80x = 9,766,296,527,181,510
  5. Step 5: Solve for x
    x = 9,766,296,527,181,510/100,886,860.80
  6. Step 6: Final answer
    x = 96,804,444.60

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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.