Home / 74,927,663.40-112,391,495.10-21,074,975.40

Finding the Fourth Proportional to 74,927,663.40, 112,391,495.10 and 21,074,975.40

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Solution

The fourth proportional to 74,927,663.40, 112,391,495.10 and 21,074,975.40 is: 31,612,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,927,663.40 : 112,391,495.10 = 21,074,975.40 : x
  2. Step 2: Convert to fraction form
    74,927,663.40/112,391,495.10 = 21,074,975.40/x
  3. Step 3: Cross multiply
    74,927,663.40x = 112,391,495.10 × 21,074,975.40
  4. Step 4: Simplify right side
    74,927,663.40x = 2,368,647,994,401,720
  5. Step 5: Solve for x
    x = 2,368,647,994,401,720/74,927,663.40
  6. Step 6: Final answer
    x = 31,612,463.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.