Home / 89,851,421.28-123,994,985.52-50,701,495.20

Finding the Fourth Proportional to 89,851,421.28, 123,994,985.52 and 50,701,495.20

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Solution

The fourth proportional to 89,851,421.28, 123,994,985.52 and 50,701,495.20 is: 69,968,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851,421.28 : 123,994,985.52 = 50,701,495.20 : x
  2. Step 2: Convert to fraction form
    89,851,421.28/123,994,985.52 = 50,701,495.20/x
  3. Step 3: Cross multiply
    89,851,421.28x = 123,994,985.52 × 50,701,495.20
  4. Step 4: Simplify right side
    89,851,421.28x = 6,286,731,163,166,350
  5. Step 5: Solve for x
    x = 6,286,731,163,166,350/89,851,421.28
  6. Step 6: Final answer
    x = 69,968,077.01

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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.