Home / 126,384,113.12-174,410,721.05-70,630,464.06

Finding the Fourth Proportional to 126,384,113.12, 174,410,721.05 and 70,630,464.06

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Solution

The fourth proportional to 126,384,113.12, 174,410,721.05 and 70,630,464.06 is: 97,470,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384,113.12 : 174,410,721.05 = 70,630,464.06 : x
  2. Step 2: Convert to fraction form
    126,384,113.12/174,410,721.05 = 70,630,464.06/x
  3. Step 3: Cross multiply
    126,384,113.12x = 174,410,721.05 × 70,630,464.06
  4. Step 4: Simplify right side
    126,384,113.12x = 12,318,710,164,447,558
  5. Step 5: Solve for x
    x = 12,318,710,164,447,558/126,384,113.12
  6. Step 6: Final answer
    x = 97,470,400.83

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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.