Home / 75,291,435.95-112,937,783.37-20,707,015.57

Finding the Fourth Proportional to 75,291,435.95, 112,937,783.37 and 20,707,015.57

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Solution

The fourth proportional to 75,291,435.95, 112,937,783.37 and 20,707,015.57 is: 31,060,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,291,435.95 : 112,937,783.37 = 20,707,015.57 : x
  2. Step 2: Convert to fraction form
    75,291,435.95/112,937,783.37 = 20,707,015.57/x
  3. Step 3: Cross multiply
    75,291,435.95x = 112,937,783.37 × 20,707,015.57
  4. Step 4: Simplify right side
    75,291,435.95x = 2,338,604,438,440,254.50
  5. Step 5: Solve for x
    x = 2,338,604,438,440,254.50/75,291,435.95
  6. Step 6: Final answer
    x = 31,060,696.46

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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.