Home / 98,484,917.04-135,904,950.90-54,429,639.12

Finding the Fourth Proportional to 98,484,917.04, 135,904,950.90 and 54,429,639.12

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Solution

The fourth proportional to 98,484,917.04, 135,904,950.90 and 54,429,639.12 is: 75,110,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,484,917.04 : 135,904,950.90 = 54,429,639.12 : x
  2. Step 2: Convert to fraction form
    98,484,917.04/135,904,950.90 = 54,429,639.12/x
  3. Step 3: Cross multiply
    98,484,917.04x = 135,904,950.90 × 54,429,639.12
  4. Step 4: Simplify right side
    98,484,917.04x = 7,397,257,432,108,319
  5. Step 5: Solve for x
    x = 7,397,257,432,108,319/98,484,917.04
  6. Step 6: Final answer
    x = 75,110,561.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.