Home / 261,361,220.10-392,041,830.15-248,606,636.10

Finding the Fourth Proportional to 261,361,220.10, 392,041,830.15 and 248,606,636.10

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Solution

The fourth proportional to 261,361,220.10, 392,041,830.15 and 248,606,636.10 is: 372,909,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,361,220.10 : 392,041,830.15 = 248,606,636.10 : x
  2. Step 2: Convert to fraction form
    261,361,220.10/392,041,830.15 = 248,606,636.10/x
  3. Step 3: Cross multiply
    261,361,220.10x = 392,041,830.15 × 248,606,636.10
  4. Step 4: Simplify right side
    261,361,220.10x = 97,464,200,604,079,056
  5. Step 5: Solve for x
    x = 97,464,200,604,079,056/261,361,220.10
  6. Step 6: Final answer
    x = 372,909,954.15

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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.