Home / 207,963,037.02-286,997,956.92-115,143,542.10

Finding the Fourth Proportional to 207,963,037.02, 286,997,956.92 and 115,143,542.10

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Solution

The fourth proportional to 207,963,037.02, 286,997,956.92 and 115,143,542.10 is: 158,903,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,963,037.02 : 286,997,956.92 = 115,143,542.10 : x
  2. Step 2: Convert to fraction form
    207,963,037.02/286,997,956.92 = 115,143,542.10/x
  3. Step 3: Cross multiply
    207,963,037.02x = 286,997,956.92 × 115,143,542.10
  4. Step 4: Simplify right side
    207,963,037.02x = 33,045,961,335,232,008
  5. Step 5: Solve for x
    x = 33,045,961,335,232,008/207,963,037.02
  6. Step 6: Final answer
    x = 158,903,052.24

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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.