Home / 260,220,092.13-390,291,743.49-75,938,088.36

Finding the Fourth Proportional to 260,220,092.13, 390,291,743.49 and 75,938,088.36

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Solution

The fourth proportional to 260,220,092.13, 390,291,743.49 and 75,938,088.36 is: 113,895,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,220,092.13 : 390,291,743.49 = 75,938,088.36 : x
  2. Step 2: Convert to fraction form
    260,220,092.13/390,291,743.49 = 75,938,088.36/x
  3. Step 3: Cross multiply
    260,220,092.13x = 390,291,743.49 × 75,938,088.36
  4. Step 4: Simplify right side
    260,220,092.13x = 29,638,008,904,500,900
  5. Step 5: Solve for x
    x = 29,638,008,904,500,900/260,220,092.13
  6. Step 6: Final answer
    x = 113,895,928.10

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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.