Home / 77,418,812.37-106,837,139.30-42,610,755.47

Finding the Fourth Proportional to 77,418,812.37, 106,837,139.30 and 42,610,755.47

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Solution

The fourth proportional to 77,418,812.37, 106,837,139.30 and 42,610,755.47 is: 58,802,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,418,812.37 : 106,837,139.30 = 42,610,755.47 : x
  2. Step 2: Convert to fraction form
    77,418,812.37/106,837,139.30 = 42,610,755.47/x
  3. Step 3: Cross multiply
    77,418,812.37x = 106,837,139.30 × 42,610,755.47
  4. Step 4: Simplify right side
    77,418,812.37x = 4,552,411,217,079,388
  5. Step 5: Solve for x
    x = 4,552,411,217,079,388/77,418,812.37
  6. Step 6: Final answer
    x = 58,802,390.24

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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.