Home / 260,382,700.40-390,007,180.20-157,968,114.80

Finding the Fourth Proportional to 260,382,700.40, 390,007,180.20 and 157,968,114.80

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Solution

The fourth proportional to 260,382,700.40, 390,007,180.20 and 157,968,114.80 is: 236,608,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,382,700.40 : 390,007,180.20 = 157,968,114.80 : x
  2. Step 2: Convert to fraction form
    260,382,700.40/390,007,180.20 = 157,968,114.80/x
  3. Step 3: Cross multiply
    260,382,700.40x = 390,007,180.20 × 157,968,114.80
  4. Step 4: Simplify right side
    260,382,700.40x = 61,608,699,014,657,888
  5. Step 5: Solve for x
    x = 61,608,699,014,657,888/260,382,700.40
  6. Step 6: Final answer
    x = 236,608,265.14

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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.