Home / 77,558,127.84-107,026,995.82-42,275,157.07

Finding the Fourth Proportional to 77,558,127.84, 107,026,995.82 and 42,275,157.07

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Solution

The fourth proportional to 77,558,127.84, 107,026,995.82 and 42,275,157.07 is: 58,337,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,558,127.84 : 107,026,995.82 = 42,275,157.07 : x
  2. Step 2: Convert to fraction form
    77,558,127.84/107,026,995.82 = 42,275,157.07/x
  3. Step 3: Cross multiply
    77,558,127.84x = 107,026,995.82 × 42,275,157.07
  4. Step 4: Simplify right side
    77,558,127.84x = 4,524,583,058,809,358
  5. Step 5: Solve for x
    x = 4,524,583,058,809,358/77,558,127.84
  6. Step 6: Final answer
    x = 58,337,961.28

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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.