Home / 158,068,108.04-218,136,571.92-86,539,796.36

Finding the Fourth Proportional to 158,068,108.04, 218,136,571.92 and 86,539,796.36

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Solution

The fourth proportional to 158,068,108.04, 218,136,571.92 and 86,539,796.36 is: 119,426,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,068,108.04 : 218,136,571.92 = 86,539,796.36 : x
  2. Step 2: Convert to fraction form
    158,068,108.04/218,136,571.92 = 86,539,796.36/x
  3. Step 3: Cross multiply
    158,068,108.04x = 218,136,571.92 × 86,539,796.36
  4. Step 4: Simplify right side
    158,068,108.04x = 18,877,494,512,625,292
  5. Step 5: Solve for x
    x = 18,877,494,512,625,292/158,068,108.04
  6. Step 6: Final answer
    x = 119,426,333.03

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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.