Home / 77,426,908.41-106,851,953.25-42,143,008.32

Finding the Fourth Proportional to 77,426,908.41, 106,851,953.25 and 42,143,008.32

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Solution

The fourth proportional to 77,426,908.41, 106,851,953.25 and 42,143,008.32 is: 58,158,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,426,908.41 : 106,851,953.25 = 42,143,008.32 : x
  2. Step 2: Convert to fraction form
    77,426,908.41/106,851,953.25 = 42,143,008.32/x
  3. Step 3: Cross multiply
    77,426,908.41x = 106,851,953.25 × 42,143,008.32
  4. Step 4: Simplify right side
    77,426,908.41x = 4,503,062,754,823,001
  5. Step 5: Solve for x
    x = 4,503,062,754,823,001/77,426,908.41
  6. Step 6: Final answer
    x = 58,158,886.20

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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.