Home / 81,824,888.52-112,920,987.60-46,541,786.40

Finding the Fourth Proportional to 81,824,888.52, 112,920,987.60 and 46,541,786.40

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Solution

The fourth proportional to 81,824,888.52, 112,920,987.60 and 46,541,786.40 is: 64,229,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,824,888.52 : 112,920,987.60 = 46,541,786.40 : x
  2. Step 2: Convert to fraction form
    81,824,888.52/112,920,987.60 = 46,541,786.40/x
  3. Step 3: Cross multiply
    81,824,888.52x = 112,920,987.60 × 46,541,786.40
  4. Step 4: Simplify right side
    81,824,888.52x = 5,255,544,484,956,248
  5. Step 5: Solve for x
    x = 5,255,544,484,956,248/81,824,888.52
  6. Step 6: Final answer
    x = 64,229,167.68

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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.