Home / 77,775,810.03-116,663,753.93-20,267,935.47

Finding the Fourth Proportional to 77,775,810.03, 116,663,753.93 and 20,267,935.47

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Solution

The fourth proportional to 77,775,810.03, 116,663,753.93 and 20,267,935.47 is: 30,401,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,775,810.03 : 116,663,753.93 = 20,267,935.47 : x
  2. Step 2: Convert to fraction form
    77,775,810.03/116,663,753.93 = 20,267,935.47/x
  3. Step 3: Cross multiply
    77,775,810.03x = 116,663,753.93 × 20,267,935.47
  4. Step 4: Simplify right side
    77,775,810.03x = 2,364,533,436,239,859
  5. Step 5: Solve for x
    x = 2,364,533,436,239,859/77,775,810.03
  6. Step 6: Final answer
    x = 30,401,913.34

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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.