Home / 69,477,193.68-95,878,220.12-39,707,345.10

Finding the Fourth Proportional to 69,477,193.68, 95,878,220.12 and 39,707,345.10

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Solution

The fourth proportional to 69,477,193.68, 95,878,220.12 and 39,707,345.10 is: 54,795,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,477,193.68 : 95,878,220.12 = 39,707,345.10 : x
  2. Step 2: Convert to fraction form
    69,477,193.68/95,878,220.12 = 39,707,345.10/x
  3. Step 3: Cross multiply
    69,477,193.68x = 95,878,220.12 × 39,707,345.10
  4. Step 4: Simplify right side
    69,477,193.68x = 3,807,069,573,878,603.50
  5. Step 5: Solve for x
    x = 3,807,069,573,878,603.50/69,477,193.68
  6. Step 6: Final answer
    x = 54,795,960.69

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Double scale
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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.