Home / 260,592,799.59-390,888,869.29-66,504,219.13

Finding the Fourth Proportional to 260,592,799.59, 390,888,869.29 and 66,504,219.13

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Solution

The fourth proportional to 260,592,799.59, 390,888,869.29 and 66,504,219.13 is: 99,756,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,592,799.59 : 390,888,869.29 = 66,504,219.13 : x
  2. Step 2: Convert to fraction form
    260,592,799.59/390,888,869.29 = 66,504,219.13/x
  3. Step 3: Cross multiply
    260,592,799.59x = 390,888,869.29 × 66,504,219.13
  4. Step 4: Simplify right side
    260,592,799.59x = 25,995,759,018,740,088
  5. Step 5: Solve for x
    x = 25,995,759,018,740,088/260,592,799.59
  6. Step 6: Final answer
    x = 99,756,244.45

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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.