Home / 202,508,172.32-279,461,287.56-109,688,680.40

Finding the Fourth Proportional to 202,508,172.32, 279,461,287.56 and 109,688,680.40

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Solution

The fourth proportional to 202,508,172.32, 279,461,287.56 and 109,688,680.40 is: 151,370,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,508,172.32 : 279,461,287.56 = 109,688,680.40 : x
  2. Step 2: Convert to fraction form
    202,508,172.32/279,461,287.56 = 109,688,680.40/x
  3. Step 3: Cross multiply
    202,508,172.32x = 279,461,287.56 × 109,688,680.40
  4. Step 4: Simplify right side
    202,508,172.32x = 30,653,739,855,341,336
  5. Step 5: Solve for x
    x = 30,653,739,855,341,336/202,508,172.32
  6. Step 6: Final answer
    x = 151,370,384.24

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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.