Home / 61,271,718.20-91,781,606.10-42,124,095.80

Finding the Fourth Proportional to 61,271,718.20, 91,781,606.10 and 42,124,095.80

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Solution

The fourth proportional to 61,271,718.20, 91,781,606.10 and 42,124,095.80 is: 63,099,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,271,718.20 : 91,781,606.10 = 42,124,095.80 : x
  2. Step 2: Convert to fraction form
    61,271,718.20/91,781,606.10 = 42,124,095.80/x
  3. Step 3: Cross multiply
    61,271,718.20x = 91,781,606.10 × 42,124,095.80
  4. Step 4: Simplify right side
    61,271,718.20x = 3,866,217,168,034,264
  5. Step 5: Solve for x
    x = 3,866,217,168,034,264/61,271,718.20
  6. Step 6: Final answer
    x = 63,099,538.93

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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.