Home / 103,961,531.68-143,421,878.80-62,685,493.36

Finding the Fourth Proportional to 103,961,531.68, 143,421,878.80 and 62,685,493.36

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Solution

The fourth proportional to 103,961,531.68, 143,421,878.80 and 62,685,493.36 is: 86,478,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,961,531.68 : 143,421,878.80 = 62,685,493.36 : x
  2. Step 2: Convert to fraction form
    103,961,531.68/143,421,878.80 = 62,685,493.36/x
  3. Step 3: Cross multiply
    103,961,531.68x = 143,421,878.80 × 62,685,493.36
  4. Step 4: Simplify right side
    103,961,531.68x = 8,990,471,231,196,125
  5. Step 5: Solve for x
    x = 8,990,471,231,196,125/103,961,531.68
  6. Step 6: Final answer
    x = 86,478,826.21

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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.