Home / 55,920,878.24-77,131,059.78-37,326,643.40

Finding the Fourth Proportional to 55,920,878.24, 77,131,059.78 and 37,326,643.40

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Solution

The fourth proportional to 55,920,878.24, 77,131,059.78 and 37,326,643.40 is: 51,484,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920,878.24 : 77,131,059.78 = 37,326,643.40 : x
  2. Step 2: Convert to fraction form
    55,920,878.24/77,131,059.78 = 37,326,643.40/x
  3. Step 3: Cross multiply
    55,920,878.24x = 77,131,059.78 × 37,326,643.40
  4. Step 4: Simplify right side
    55,920,878.24x = 2,879,043,563,472,142.50
  5. Step 5: Solve for x
    x = 2,879,043,563,472,142.50/55,920,878.24
  6. Step 6: Final answer
    x = 51,484,233.69

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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.