Home / 75,805,439.48-104,611,506.59-40,998,130.01

Finding the Fourth Proportional to 75,805,439.48, 104,611,506.59 and 40,998,130.01

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Solution

The fourth proportional to 75,805,439.48, 104,611,506.59 and 40,998,130.01 is: 56,577,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,805,439.48 : 104,611,506.59 = 40,998,130.01 : x
  2. Step 2: Convert to fraction form
    75,805,439.48/104,611,506.59 = 40,998,130.01/x
  3. Step 3: Cross multiply
    75,805,439.48x = 104,611,506.59 × 40,998,130.01
  4. Step 4: Simplify right side
    75,805,439.48x = 4,288,876,147,513,800.50
  5. Step 5: Solve for x
    x = 4,288,876,147,513,800.50/75,805,439.48
  6. Step 6: Final answer
    x = 56,577,419.47

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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.