Home / 158,976,005.40-238,464,008.10-130,254,571.80

Finding the Fourth Proportional to 158,976,005.40, 238,464,008.10 and 130,254,571.80

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Solution

The fourth proportional to 158,976,005.40, 238,464,008.10 and 130,254,571.80 is: 195,381,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,005.40 : 238,464,008.10 = 130,254,571.80 : x
  2. Step 2: Convert to fraction form
    158,976,005.40/238,464,008.10 = 130,254,571.80/x
  3. Step 3: Cross multiply
    158,976,005.40x = 238,464,008.10 × 130,254,571.80
  4. Step 4: Simplify right side
    158,976,005.40x = 31,061,027,264,777,232
  5. Step 5: Solve for x
    x = 31,061,027,264,777,232/158,976,005.40
  6. Step 6: Final answer
    x = 195,381,857.70

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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.