Home / 252,775,776.50-379,148,531.40-105,186,061.01

Finding the Fourth Proportional to 252,775,776.50, 379,148,531.40 and 105,186,061.01

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Solution

The fourth proportional to 252,775,776.50, 379,148,531.40 and 105,186,061.01 is: 157,772,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,775,776.50 : 379,148,531.40 = 105,186,061.01 : x
  2. Step 2: Convert to fraction form
    252,775,776.50/379,148,531.40 = 105,186,061.01/x
  3. Step 3: Cross multiply
    252,775,776.50x = 379,148,531.40 × 105,186,061.01
  4. Step 4: Simplify right side
    252,775,776.50x = 39,881,140,553,796,552
  5. Step 5: Solve for x
    x = 39,881,140,553,796,552/252,775,776.50
  6. Step 6: Final answer
    x = 157,772,794.16

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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.