Home / 112,904,436-169,365,707.04-42,908,197.68

Finding the Fourth Proportional to 112,904,436, 169,365,707.04 and 42,908,197.68

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Solution

The fourth proportional to 112,904,436, 169,365,707.04 and 42,908,197.68 is: 64,365,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904,436 : 169,365,707.04 = 42,908,197.68 : x
  2. Step 2: Convert to fraction form
    112,904,436/169,365,707.04 = 42,908,197.68/x
  3. Step 3: Cross multiply
    112,904,436x = 169,365,707.04 × 42,908,197.68
  4. Step 4: Simplify right side
    112,904,436x = 7,267,177,237,885,287
  5. Step 5: Solve for x
    x = 7,267,177,237,885,287/112,904,436
  6. Step 6: Final answer
    x = 64,365,737.04

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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.