Home / 140,406,004.80-210,357,064.80-120,250,612.80

Finding the Fourth Proportional to 140,406,004.80, 210,357,064.80 and 120,250,612.80

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Solution

The fourth proportional to 140,406,004.80, 210,357,064.80 and 120,250,612.80 is: 180,160,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,406,004.80 : 210,357,064.80 = 120,250,612.80 : x
  2. Step 2: Convert to fraction form
    140,406,004.80/210,357,064.80 = 120,250,612.80/x
  3. Step 3: Cross multiply
    140,406,004.80x = 210,357,064.80 × 120,250,612.80
  4. Step 4: Simplify right side
    140,406,004.80x = 25,295,565,949,009,312
  5. Step 5: Solve for x
    x = 25,295,565,949,009,312/140,406,004.80
  6. Step 6: Final answer
    x = 180,160,143.33

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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.