Home / 77,939,497.30-107,552,130.03-42,657,230.26

Finding the Fourth Proportional to 77,939,497.30, 107,552,130.03 and 42,657,230.26

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Solution

The fourth proportional to 77,939,497.30, 107,552,130.03 and 42,657,230.26 is: 58,864,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,939,497.30 : 107,552,130.03 = 42,657,230.26 : x
  2. Step 2: Convert to fraction form
    77,939,497.30/107,552,130.03 = 42,657,230.26/x
  3. Step 3: Cross multiply
    77,939,497.30x = 107,552,130.03 × 42,657,230.26
  4. Step 4: Simplify right side
    77,939,497.30x = 4,587,875,975,643,171
  5. Step 5: Solve for x
    x = 4,587,875,975,643,171/77,939,497.30
  6. Step 6: Final answer
    x = 58,864,582.59

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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.