Home / 77,157,860.40-106,477,473.42-42,351,143.04

Finding the Fourth Proportional to 77,157,860.40, 106,477,473.42 and 42,351,143.04

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Solution

The fourth proportional to 77,157,860.40, 106,477,473.42 and 42,351,143.04 is: 58,444,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,157,860.40 : 106,477,473.42 = 42,351,143.04 : x
  2. Step 2: Convert to fraction form
    77,157,860.40/106,477,473.42 = 42,351,143.04/x
  3. Step 3: Cross multiply
    77,157,860.40x = 106,477,473.42 × 42,351,143.04
  4. Step 4: Simplify right side
    77,157,860.40x = 4,509,442,707,348,218
  5. Step 5: Solve for x
    x = 4,509,442,707,348,218/77,157,860.40
  6. Step 6: Final answer
    x = 58,444,372.15

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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.