Home / 77,309,795.52-106,686,561.21-42,502,181.49

Finding the Fourth Proportional to 77,309,795.52, 106,686,561.21 and 42,502,181.49

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Solution

The fourth proportional to 77,309,795.52, 106,686,561.21 and 42,502,181.49 is: 58,652,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,309,795.52 : 106,686,561.21 = 42,502,181.49 : x
  2. Step 2: Convert to fraction form
    77,309,795.52/106,686,561.21 = 42,502,181.49/x
  3. Step 3: Cross multiply
    77,309,795.52x = 106,686,561.21 × 42,502,181.49
  4. Step 4: Simplify right side
    77,309,795.52x = 4,534,411,587,091,414
  5. Step 5: Solve for x
    x = 4,534,411,587,091,414/77,309,795.52
  6. Step 6: Final answer
    x = 58,652,484.55

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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.