Home / 56,894,110.30-78,513,869.55-30,788,625.16

Finding the Fourth Proportional to 56,894,110.30, 78,513,869.55 and 30,788,625.16

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Solution

The fourth proportional to 56,894,110.30, 78,513,869.55 and 30,788,625.16 is: 42,488,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,894,110.30 : 78,513,869.55 = 30,788,625.16 : x
  2. Step 2: Convert to fraction form
    56,894,110.30/78,513,869.55 = 30,788,625.16/x
  3. Step 3: Cross multiply
    56,894,110.30x = 78,513,869.55 × 30,788,625.16
  4. Step 4: Simplify right side
    56,894,110.30x = 2,417,334,099,476,501.50
  5. Step 5: Solve for x
    x = 2,417,334,099,476,501.50/56,894,110.30
  6. Step 6: Final answer
    x = 42,488,301.28

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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.