Home / 260,254,712.00-390,382,980.50-66,166,148.09

Finding the Fourth Proportional to 260,254,712.00, 390,382,980.50 and 66,166,148.09

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Solution

The fourth proportional to 260,254,712.00, 390,382,980.50 and 66,166,148.09 is: 99,249,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,254,712.00 : 390,382,980.50 = 66,166,148.09 : x
  2. Step 2: Convert to fraction form
    260,254,712.00/390,382,980.50 = 66,166,148.09/x
  3. Step 3: Cross multiply
    260,254,712.00x = 390,382,980.50 × 66,166,148.09
  4. Step 4: Simplify right side
    260,254,712.00x = 25,830,138,100,719,956
  5. Step 5: Solve for x
    x = 25,830,138,100,719,956/260,254,712.00
  6. Step 6: Final answer
    x = 99,249,454.13

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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.