Home / 75,282,040.32-112,928,457.88-31,518,759.70

Finding the Fourth Proportional to 75,282,040.32, 112,928,457.88 and 31,518,759.70

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Solution

The fourth proportional to 75,282,040.32, 112,928,457.88 and 31,518,759.70 is: 47,280,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282,040.32 : 112,928,457.88 = 31,518,759.70 : x
  2. Step 2: Convert to fraction form
    75,282,040.32/112,928,457.88 = 31,518,759.70/x
  3. Step 3: Cross multiply
    75,282,040.32x = 112,928,457.88 × 31,518,759.70
  4. Step 4: Simplify right side
    75,282,040.32x = 3,559,364,927,211,291
  5. Step 5: Solve for x
    x = 3,559,364,927,211,291/75,282,040.32
  6. Step 6: Final answer
    x = 47,280,399.31

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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.