Home / 202,592,638.84-279,578,088.66-109,773,073.48

Finding the Fourth Proportional to 202,592,638.84, 279,578,088.66 and 109,773,073.48

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Solution

The fourth proportional to 202,592,638.84, 279,578,088.66 and 109,773,073.48 is: 151,486,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,592,638.84 : 279,578,088.66 = 109,773,073.48 : x
  2. Step 2: Convert to fraction form
    202,592,638.84/279,578,088.66 = 109,773,073.48/x
  3. Step 3: Cross multiply
    202,592,638.84x = 279,578,088.66 × 109,773,073.48
  4. Step 4: Simplify right side
    202,592,638.84x = 30,690,146,069,872,140
  5. Step 5: Solve for x
    x = 30,690,146,069,872,140/202,592,638.84
  6. Step 6: Final answer
    x = 151,486,975.27

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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.