Home / 261,361,215.60-392,041,823.40-248,606,631.60

Finding the Fourth Proportional to 261,361,215.60, 392,041,823.40 and 248,606,631.60

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Solution

The fourth proportional to 261,361,215.60, 392,041,823.40 and 248,606,631.60 is: 372,909,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,361,215.60 : 392,041,823.40 = 248,606,631.60 : x
  2. Step 2: Convert to fraction form
    261,361,215.60/392,041,823.40 = 248,606,631.60/x
  3. Step 3: Cross multiply
    261,361,215.60x = 392,041,823.40 × 248,606,631.60
  4. Step 4: Simplify right side
    261,361,215.60x = 97,464,197,161,796,048
  5. Step 5: Solve for x
    x = 97,464,197,161,796,048/261,361,215.60
  6. Step 6: Final answer
    x = 372,909,947.40

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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.