Home / 105,492,468.57-145,577,679.81-58,449,370.45

Finding the Fourth Proportional to 105,492,468.57, 145,577,679.81 and 58,449,370.45

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Solution

The fourth proportional to 105,492,468.57, 145,577,679.81 and 58,449,370.45 is: 80,659,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,492,468.57 : 145,577,679.81 = 58,449,370.45 : x
  2. Step 2: Convert to fraction form
    105,492,468.57/145,577,679.81 = 58,449,370.45/x
  3. Step 3: Cross multiply
    105,492,468.57x = 145,577,679.81 × 58,449,370.45
  4. Step 4: Simplify right side
    105,492,468.57x = 8,508,923,736,466,176
  5. Step 5: Solve for x
    x = 8,508,923,736,466,176/105,492,468.57
  6. Step 6: Final answer
    x = 80,659,063.65

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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.