Home / 105,527,856.47-145,628,455.74-58,487,966.87

Finding the Fourth Proportional to 105,527,856.47, 145,628,455.74 and 58,487,966.87

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Solution

The fourth proportional to 105,527,856.47, 145,628,455.74 and 58,487,966.87 is: 80,713,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,527,856.47 : 145,628,455.74 = 58,487,966.87 : x
  2. Step 2: Convert to fraction form
    105,527,856.47/145,628,455.74 = 58,487,966.87/x
  3. Step 3: Cross multiply
    105,527,856.47x = 145,628,455.74 × 58,487,966.87
  4. Step 4: Simplify right side
    105,527,856.47x = 8,517,512,295,117,939
  5. Step 5: Solve for x
    x = 8,517,512,295,117,939/105,527,856.47
  6. Step 6: Final answer
    x = 80,713,401.94

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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.