Home / 263,835,387.65-395,813,880.98-91,312,203.20

Finding the Fourth Proportional to 263,835,387.65, 395,813,880.98 and 91,312,203.20

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Solution

The fourth proportional to 263,835,387.65, 395,813,880.98 and 91,312,203.20 is: 136,989,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,835,387.65 : 395,813,880.98 = 91,312,203.20 : x
  2. Step 2: Convert to fraction form
    263,835,387.65/395,813,880.98 = 91,312,203.20/x
  3. Step 3: Cross multiply
    263,835,387.65x = 395,813,880.98 × 91,312,203.20
  4. Step 4: Simplify right side
    263,835,387.65x = 36,142,637,526,990,744
  5. Step 5: Solve for x
    x = 36,142,637,526,990,744/263,835,387.65
  6. Step 6: Final answer
    x = 136,989,347.22

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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.