Home / 207,631,889.46-286,434,448.56-148,106,342.16

Finding the Fourth Proportional to 207,631,889.46, 286,434,448.56 and 148,106,342.16

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Solution

The fourth proportional to 207,631,889.46, 286,434,448.56 and 148,106,342.16 is: 204,317,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,631,889.46 : 286,434,448.56 = 148,106,342.16 : x
  2. Step 2: Convert to fraction form
    207,631,889.46/286,434,448.56 = 148,106,342.16/x
  3. Step 3: Cross multiply
    207,631,889.46x = 286,434,448.56 × 148,106,342.16
  4. Step 4: Simplify right side
    207,631,889.46x = 42,422,758,444,838,280
  5. Step 5: Solve for x
    x = 42,422,758,444,838,280/207,631,889.46
  6. Step 6: Final answer
    x = 204,317,162.24

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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.