Home / 87,258,483.42-120,423,905.88-50,095,935.30

Finding the Fourth Proportional to 87,258,483.42, 120,423,905.88 and 50,095,935.30

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Solution

The fourth proportional to 87,258,483.42, 120,423,905.88 and 50,095,935.30 is: 69,136,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,258,483.42 : 120,423,905.88 = 50,095,935.30 : x
  2. Step 2: Convert to fraction form
    87,258,483.42/120,423,905.88 = 50,095,935.30/x
  3. Step 3: Cross multiply
    87,258,483.42x = 120,423,905.88 × 50,095,935.30
  4. Step 4: Simplify right side
    87,258,483.42x = 6,032,748,197,287,290
  5. Step 5: Solve for x
    x = 6,032,748,197,287,290/87,258,483.42
  6. Step 6: Final answer
    x = 69,136,523.59

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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.