Home / 130,000,400.64-179,397,987.84-71,263,192.32

Finding the Fourth Proportional to 130,000,400.64, 179,397,987.84 and 71,263,192.32

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Solution

The fourth proportional to 130,000,400.64, 179,397,987.84 and 71,263,192.32 is: 98,341,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,000,400.64 : 179,397,987.84 = 71,263,192.32 : x
  2. Step 2: Convert to fraction form
    130,000,400.64/179,397,987.84 = 71,263,192.32/x
  3. Step 3: Cross multiply
    130,000,400.64x = 179,397,987.84 × 71,263,192.32
  4. Step 4: Simplify right side
    130,000,400.64x = 12,784,473,309,262,940
  5. Step 5: Solve for x
    x = 12,784,473,309,262,940/130,000,400.64
  6. Step 6: Final answer
    x = 98,341,799.30

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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.