Home / 147,623,868.30-221,435,802.45-86,149,922.70

Finding the Fourth Proportional to 147,623,868.30, 221,435,802.45 and 86,149,922.70

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Solution

The fourth proportional to 147,623,868.30, 221,435,802.45 and 86,149,922.70 is: 129,224,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,868.30 : 221,435,802.45 = 86,149,922.70 : x
  2. Step 2: Convert to fraction form
    147,623,868.30/221,435,802.45 = 86,149,922.70/x
  3. Step 3: Cross multiply
    147,623,868.30x = 221,435,802.45 × 86,149,922.70
  4. Step 4: Simplify right side
    147,623,868.30x = 19,076,677,264,079,972
  5. Step 5: Solve for x
    x = 19,076,677,264,079,972/147,623,868.30
  6. Step 6: Final answer
    x = 129,224,884.05

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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.