Home / 112,904,438-169,365,710.04-42,908,199.68

Finding the Fourth Proportional to 112,904,438, 169,365,710.04 and 42,908,199.68

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Solution

The fourth proportional to 112,904,438, 169,365,710.04 and 42,908,199.68 is: 64,365,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904,438 : 169,365,710.04 = 42,908,199.68 : x
  2. Step 2: Convert to fraction form
    112,904,438/169,365,710.04 = 42,908,199.68/x
  3. Step 3: Cross multiply
    112,904,438x = 169,365,710.04 × 42,908,199.68
  4. Step 4: Simplify right side
    112,904,438x = 7,267,177,705,341,300
  5. Step 5: Solve for x
    x = 7,267,177,705,341,300/112,904,438
  6. Step 6: Final answer
    x = 64,365,740.04

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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.