Home / 260,605,543.44-390,821,511.42-105,119,192.40

Finding the Fourth Proportional to 260,605,543.44, 390,821,511.42 and 105,119,192.40

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Solution

The fourth proportional to 260,605,543.44, 390,821,511.42 and 105,119,192.40 is: 157,643,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,605,543.44 : 390,821,511.42 = 105,119,192.40 : x
  2. Step 2: Convert to fraction form
    260,605,543.44/390,821,511.42 = 105,119,192.40/x
  3. Step 3: Cross multiply
    260,605,543.44x = 390,821,511.42 × 105,119,192.40
  4. Step 4: Simplify right side
    260,605,543.44x = 41,082,841,653,017,784
  5. Step 5: Solve for x
    x = 41,082,841,653,017,784/260,605,543.44
  6. Step 6: Final answer
    x = 157,643,775.00

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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.