Home / 347,674,767.40-521,512,151.10-105,349,724.20

Finding the Fourth Proportional to 347,674,767.40, 521,512,151.10 and 105,349,724.20

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Solution

The fourth proportional to 347,674,767.40, 521,512,151.10 and 105,349,724.20 is: 158,024,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,674,767.40 : 521,512,151.10 = 105,349,724.20 : x
  2. Step 2: Convert to fraction form
    347,674,767.40/521,512,151.10 = 105,349,724.20/x
  3. Step 3: Cross multiply
    347,674,767.40x = 521,512,151.10 × 105,349,724.20
  4. Step 4: Simplify right side
    347,674,767.40x = 54,941,161,285,333,728
  5. Step 5: Solve for x
    x = 54,941,161,285,333,728/347,674,767.40
  6. Step 6: Final answer
    x = 158,024,586.30

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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.