Home / 104,967,913.32-157,441,239.33-28,298,691.72

Finding the Fourth Proportional to 104,967,913.32, 157,441,239.33 and 28,298,691.72

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Solution

The fourth proportional to 104,967,913.32, 157,441,239.33 and 28,298,691.72 is: 42,445,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,967,913.32 : 157,441,239.33 = 28,298,691.72 : x
  2. Step 2: Convert to fraction form
    104,967,913.32/157,441,239.33 = 28,298,691.72/x
  3. Step 3: Cross multiply
    104,967,913.32x = 157,441,239.33 × 28,298,691.72
  4. Step 4: Simplify right side
    104,967,913.32x = 4,455,381,095,814,409.50
  5. Step 5: Solve for x
    x = 4,455,381,095,814,409.50/104,967,913.32
  6. Step 6: Final answer
    x = 42,445,171.62

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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.