Home / 251,836,381.17-347,525,030.88-140,321,460.15

Finding the Fourth Proportional to 251,836,381.17, 347,525,030.88 and 140,321,460.15

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Solution

The fourth proportional to 251,836,381.17, 347,525,030.88 and 140,321,460.15 is: 193,638,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,836,381.17 : 347,525,030.88 = 140,321,460.15 : x
  2. Step 2: Convert to fraction form
    251,836,381.17/347,525,030.88 = 140,321,460.15/x
  3. Step 3: Cross multiply
    251,836,381.17x = 347,525,030.88 × 140,321,460.15
  4. Step 4: Simplify right side
    251,836,381.17x = 48,765,219,771,755,440
  5. Step 5: Solve for x
    x = 48,765,219,771,755,440/251,836,381.17
  6. Step 6: Final answer
    x = 193,638,502.69

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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.