Home / 202,095,312.10-303,142,968.15-72,707,143.30

Finding the Fourth Proportional to 202,095,312.10, 303,142,968.15 and 72,707,143.30

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Solution

The fourth proportional to 202,095,312.10, 303,142,968.15 and 72,707,143.30 is: 109,060,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,095,312.10 : 303,142,968.15 = 72,707,143.30 : x
  2. Step 2: Convert to fraction form
    202,095,312.10/303,142,968.15 = 72,707,143.30/x
  3. Step 3: Cross multiply
    202,095,312.10x = 303,142,968.15 × 72,707,143.30
  4. Step 4: Simplify right side
    202,095,312.10x = 22,040,659,225,669,384
  5. Step 5: Solve for x
    x = 22,040,659,225,669,384/202,095,312.10
  6. Step 6: Final answer
    x = 109,060,714.95

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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.