Home / 124,525,617.30-171,861,203.25-72,304,256.34

Finding the Fourth Proportional to 124,525,617.30, 171,861,203.25 and 72,304,256.34

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Solution

The fourth proportional to 124,525,617.30, 171,861,203.25 and 72,304,256.34 is: 99,789,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,617.30 : 171,861,203.25 = 72,304,256.34 : x
  2. Step 2: Convert to fraction form
    124,525,617.30/171,861,203.25 = 72,304,256.34/x
  3. Step 3: Cross multiply
    124,525,617.30x = 171,861,203.25 × 72,304,256.34
  4. Step 4: Simplify right side
    124,525,617.30x = 12,426,296,494,688,842
  5. Step 5: Solve for x
    x = 12,426,296,494,688,842/124,525,617.30
  6. Step 6: Final answer
    x = 99,789,077.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.