Home / 89,840,811.66-134,747,730.41-28,421,989.91

Finding the Fourth Proportional to 89,840,811.66, 134,747,730.41 and 28,421,989.91

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Solution

The fourth proportional to 89,840,811.66, 134,747,730.41 and 28,421,989.91 is: 42,628,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,840,811.66 : 134,747,730.41 = 28,421,989.91 : x
  2. Step 2: Convert to fraction form
    89,840,811.66/134,747,730.41 = 28,421,989.91/x
  3. Step 3: Cross multiply
    89,840,811.66x = 134,747,730.41 × 28,421,989.91
  4. Step 4: Simplify right side
    89,840,811.66x = 3,829,798,633,292,572
  5. Step 5: Solve for x
    x = 3,829,798,633,292,572/89,840,811.66
  6. Step 6: Final answer
    x = 42,628,718.09

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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.