Home / 112,064,838-154,651,838.40-63,172,266

Finding the Fourth Proportional to 112,064,838, 154,651,838.40 and 63,172,266

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Solution

The fourth proportional to 112,064,838, 154,651,838.40 and 63,172,266 is: 87,179,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064,838 : 154,651,838.40 = 63,172,266 : x
  2. Step 2: Convert to fraction form
    112,064,838/154,651,838.40 = 63,172,266/x
  3. Step 3: Cross multiply
    112,064,838x = 154,651,838.40 × 63,172,266
  4. Step 4: Simplify right side
    112,064,838x = 9,769,707,072,793,814
  5. Step 5: Solve for x
    x = 9,769,707,072,793,814/112,064,838
  6. Step 6: Final answer
    x = 87,179,058.54

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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.