Home / 66,560,721-99,841,081.50-16,130,769

Finding the Fourth Proportional to 66,560,721, 99,841,081.50 and 16,130,769

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Solution

The fourth proportional to 66,560,721, 99,841,081.50 and 16,130,769 is: 24,196,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,560,721 : 99,841,081.50 = 16,130,769 : x
  2. Step 2: Convert to fraction form
    66,560,721/99,841,081.50 = 16,130,769/x
  3. Step 3: Cross multiply
    66,560,721x = 99,841,081.50 × 16,130,769
  4. Step 4: Simplify right side
    66,560,721x = 1,610,513,422,386,673.50
  5. Step 5: Solve for x
    x = 1,610,513,422,386,673.50/66,560,721
  6. Step 6: Final answer
    x = 24,196,153.50

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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.