Home / 157,465,396.02-217,302,381.81-87,850,787.70

Finding the Fourth Proportional to 157,465,396.02, 217,302,381.81 and 87,850,787.70

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Solution

The fourth proportional to 157,465,396.02, 217,302,381.81 and 87,850,787.70 is: 121,234,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,396.02 : 217,302,381.81 = 87,850,787.70 : x
  2. Step 2: Convert to fraction form
    157,465,396.02/217,302,381.81 = 87,850,787.70/x
  3. Step 3: Cross multiply
    157,465,396.02x = 217,302,381.81 × 87,850,787.70
  4. Step 4: Simplify right side
    157,465,396.02x = 19,090,185,411,094,652
  5. Step 5: Solve for x
    x = 19,090,185,411,094,652/157,465,396.02
  6. Step 6: Final answer
    x = 121,234,162.51

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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.