Home / 231,734,255.30-347,547,498.02-86,236,338.32

Finding the Fourth Proportional to 231,734,255.30, 347,547,498.02 and 86,236,338.32

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Solution

The fourth proportional to 231,734,255.30, 347,547,498.02 and 86,236,338.32 is: 129,334,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,734,255.30 : 347,547,498.02 = 86,236,338.32 : x
  2. Step 2: Convert to fraction form
    231,734,255.30/347,547,498.02 = 86,236,338.32/x
  3. Step 3: Cross multiply
    231,734,255.30x = 347,547,498.02 × 86,236,338.32
  4. Step 4: Simplify right side
    231,734,255.30x = 29,971,223,621,522,244
  5. Step 5: Solve for x
    x = 29,971,223,621,522,244/231,734,255.30
  6. Step 6: Final answer
    x = 129,334,455.03

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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.