Home / 77,364,898.48-106,764,122.71-42,083,008.21

Finding the Fourth Proportional to 77,364,898.48, 106,764,122.71 and 42,083,008.21

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Solution

The fourth proportional to 77,364,898.48, 106,764,122.71 and 42,083,008.21 is: 58,074,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,364,898.48 : 106,764,122.71 = 42,083,008.21 : x
  2. Step 2: Convert to fraction form
    77,364,898.48/106,764,122.71 = 42,083,008.21/x
  3. Step 3: Cross multiply
    77,364,898.48x = 106,764,122.71 × 42,083,008.21
  4. Step 4: Simplify right side
    77,364,898.48x = 4,492,955,452,842,476
  5. Step 5: Solve for x
    x = 4,492,955,452,842,476/77,364,898.48
  6. Step 6: Final answer
    x = 58,074,857.48

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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.