Home / 200,496,731.30-300,703,106.55-98,334,088.10

Finding the Fourth Proportional to 200,496,731.30, 300,703,106.55 and 98,334,088.10

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Solution

The fourth proportional to 200,496,731.30, 300,703,106.55 and 98,334,088.10 is: 147,480,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,496,731.30 : 300,703,106.55 = 98,334,088.10 : x
  2. Step 2: Convert to fraction form
    200,496,731.30/300,703,106.55 = 98,334,088.10/x
  3. Step 3: Cross multiply
    200,496,731.30x = 300,703,106.55 × 98,334,088.10
  4. Step 4: Simplify right side
    200,496,731.30x = 29,569,365,771,431,388
  5. Step 5: Solve for x
    x = 29,569,365,771,431,388/200,496,731.30
  6. Step 6: Final answer
    x = 147,480,537.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.