Home / 79,009,310.79-118,384,572.75-42,082,008.53

Finding the Fourth Proportional to 79,009,310.79, 118,384,572.75 and 42,082,008.53

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Solution

The fourth proportional to 79,009,310.79, 118,384,572.75 and 42,082,008.53 is: 63,054,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,009,310.79 : 118,384,572.75 = 42,082,008.53 : x
  2. Step 2: Convert to fraction form
    79,009,310.79/118,384,572.75 = 42,082,008.53/x
  3. Step 3: Cross multiply
    79,009,310.79x = 118,384,572.75 × 42,082,008.53
  4. Step 4: Simplify right side
    79,009,310.79x = 4,981,860,599,693,983
  5. Step 5: Solve for x
    x = 4,981,860,599,693,983/79,009,310.79
  6. Step 6: Final answer
    x = 63,054,095.14

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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.