Home / 43,120,646,717.80-64,680,970,076.70-21,026,306,007.40

Finding the Fourth Proportional to 43,120,646,717.80, 64,680,970,076.70 and 21,026,306,007.40

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Solution

The fourth proportional to 43,120,646,717.80, 64,680,970,076.70 and 21,026,306,007.40 is: 31,539,459,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,120,646,717.80 : 64,680,970,076.70 = 21,026,306,007.40 : x
  2. Step 2: Convert to fraction form
    43,120,646,717.80/64,680,970,076.70 = 21,026,306,007.40/x
  3. Step 3: Cross multiply
    43,120,646,717.80x = 64,680,970,076.70 × 21,026,306,007.40
  4. Step 4: Simplify right side
    43,120,646,717.80x = 1,360,001,869,688,176,902,144
  5. Step 5: Solve for x
    x = 1,360,001,869,688,176,902,144/43,120,646,717.80
  6. Step 6: Final answer
    x = 31,539,459,011.10

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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.