Home / 112,571,490.62-155,350,243.30-64,860,376.34

Finding the Fourth Proportional to 112,571,490.62, 155,350,243.30 and 64,860,376.34

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Solution

The fourth proportional to 112,571,490.62, 155,350,243.30 and 64,860,376.34 is: 89,508,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571,490.62 : 155,350,243.30 = 64,860,376.34 : x
  2. Step 2: Convert to fraction form
    112,571,490.62/155,350,243.30 = 64,860,376.34/x
  3. Step 3: Cross multiply
    112,571,490.62x = 155,350,243.30 × 64,860,376.34
  4. Step 4: Simplify right side
    112,571,490.62x = 10,076,075,244,948,564
  5. Step 5: Solve for x
    x = 10,076,075,244,948,564/112,571,490.62
  6. Step 6: Final answer
    x = 89,508,233.30

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1.5x scale

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.