Home / 77,325,639.40-106,707,334.80-42,042,331

Finding the Fourth Proportional to 77,325,639.40, 106,707,334.80 and 42,042,331

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Solution

The fourth proportional to 77,325,639.40, 106,707,334.80 and 42,042,331 is: 58,017,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325,639.40 : 106,707,334.80 = 42,042,331 : x
  2. Step 2: Convert to fraction form
    77,325,639.40/106,707,334.80 = 42,042,331/x
  3. Step 3: Cross multiply
    77,325,639.40x = 106,707,334.80 × 42,042,331
  4. Step 4: Simplify right side
    77,325,639.40x = 4,486,225,089,789,418.50
  5. Step 5: Solve for x
    x = 4,486,225,089,789,418.50/77,325,639.40
  6. Step 6: Final answer
    x = 58,017,303.51

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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.