Home / 260,382,802.40-390,007,333.20-157,968,216.80

Finding the Fourth Proportional to 260,382,802.40, 390,007,333.20 and 157,968,216.80

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Solution

The fourth proportional to 260,382,802.40, 390,007,333.20 and 157,968,216.80 is: 236,608,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,382,802.40 : 390,007,333.20 = 157,968,216.80 : x
  2. Step 2: Convert to fraction form
    260,382,802.40/390,007,333.20 = 157,968,216.80/x
  3. Step 3: Cross multiply
    260,382,802.40x = 390,007,333.20 × 157,968,216.80
  4. Step 4: Simplify right side
    260,382,802.40x = 61,608,762,964,527,440
  5. Step 5: Solve for x
    x = 61,608,762,964,527,440/260,382,802.40
  6. Step 6: Final answer
    x = 236,608,418.05

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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.