Home / 79,439,900-109,630,448.64-44,632,657.76

Finding the Fourth Proportional to 79,439,900, 109,630,448.64 and 44,632,657.76

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Solution

The fourth proportional to 79,439,900, 109,630,448.64 and 44,632,657.76 is: 61,594,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439,900 : 109,630,448.64 = 44,632,657.76 : x
  2. Step 2: Convert to fraction form
    79,439,900/109,630,448.64 = 44,632,657.76/x
  3. Step 3: Cross multiply
    79,439,900x = 109,630,448.64 × 44,632,657.76
  4. Step 4: Simplify right side
    79,439,900x = 4,893,098,294,224,377
  5. Step 5: Solve for x
    x = 4,893,098,294,224,377/79,439,900
  6. Step 6: Final answer
    x = 61,594,970.46

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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.