Home / 202,454,152.32-279,386,999.64-109,634,820.24

Finding the Fourth Proportional to 202,454,152.32, 279,386,999.64 and 109,634,820.24

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Solution

The fourth proportional to 202,454,152.32, 279,386,999.64 and 109,634,820.24 is: 151,296,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,454,152.32 : 279,386,999.64 = 109,634,820.24 : x
  2. Step 2: Convert to fraction form
    202,454,152.32/279,386,999.64 = 109,634,820.24/x
  3. Step 3: Cross multiply
    202,454,152.32x = 279,386,999.64 × 109,634,820.24
  4. Step 4: Simplify right side
    202,454,152.32x = 30,630,543,482,924,340
  5. Step 5: Solve for x
    x = 30,630,543,482,924,340/202,454,152.32
  6. Step 6: Final answer
    x = 151,296,197.84

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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.