Home / 99,256,742.40-148,889,779.20-31,101,657.60

Finding the Fourth Proportional to 99,256,742.40, 148,889,779.20 and 31,101,657.60

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Solution

The fourth proportional to 99,256,742.40, 148,889,779.20 and 31,101,657.60 is: 46,653,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,256,742.40 : 148,889,779.20 = 31,101,657.60 : x
  2. Step 2: Convert to fraction form
    99,256,742.40/148,889,779.20 = 31,101,657.60/x
  3. Step 3: Cross multiply
    99,256,742.40x = 148,889,779.20 × 31,101,657.60
  4. Step 4: Simplify right side
    99,256,742.40x = 4,630,718,932,818,002
  5. Step 5: Solve for x
    x = 4,630,718,932,818,002/99,256,742.40
  6. Step 6: Final answer
    x = 46,653,948.34

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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.