Home / 142,920,448.32-214,381,999.20-40,684,482.24

Finding the Fourth Proportional to 142,920,448.32, 214,381,999.20 and 40,684,482.24

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Solution

The fourth proportional to 142,920,448.32, 214,381,999.20 and 40,684,482.24 is: 61,027,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,920,448.32 : 214,381,999.20 = 40,684,482.24 : x
  2. Step 2: Convert to fraction form
    142,920,448.32/214,381,999.20 = 40,684,482.24/x
  3. Step 3: Cross multiply
    142,920,448.32x = 214,381,999.20 × 40,684,482.24
  4. Step 4: Simplify right side
    142,920,448.32x = 8,722,020,639,028,094
  5. Step 5: Solve for x
    x = 8,722,020,639,028,094/142,920,448.32
  6. Step 6: Final answer
    x = 61,027,101.03

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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.