Home / 101,420,131,872.89-152,159,641,586.76-40,883,168,041.04

Finding the Fourth Proportional to 101,420,131,872.89, 152,159,641,586.76 and 40,883,168,041.04

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Solution

The fourth proportional to 101,420,131,872.89, 152,159,641,586.76 and 40,883,168,041.04 is: 61,336,621,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,420,131,872.89 : 152,159,641,586.76 = 40,883,168,041.04 : x
  2. Step 2: Convert to fraction form
    101,420,131,872.89/152,159,641,586.76 = 40,883,168,041.04/x
  3. Step 3: Cross multiply
    101,420,131,872.89x = 152,159,641,586.76 × 40,883,168,041.04
  4. Step 4: Simplify right side
    101,420,131,872.89x = 6,220,768,196,055,927,881,728
  5. Step 5: Solve for x
    x = 6,220,768,196,055,927,881,728/101,420,131,872.89
  6. Step 6: Final answer
    x = 61,336,621,055.20

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1.5x scale

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.