Home / 218,725,620,673.48-301,834,803,757.83-121,071,264,426.39

Finding the Fourth Proportional to 218,725,620,673.48, 301,834,803,757.83 and 121,071,264,426.39

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Solution

The fourth proportional to 218,725,620,673.48, 301,834,803,757.83 and 121,071,264,426.39 is: 167,074,717,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,725,620,673.48 : 301,834,803,757.83 = 121,071,264,426.39 : x
  2. Step 2: Convert to fraction form
    218,725,620,673.48/301,834,803,757.83 = 121,071,264,426.39/x
  3. Step 3: Cross multiply
    218,725,620,673.48x = 301,834,803,757.83 × 121,071,264,426.39
  4. Step 4: Simplify right side
    218,725,620,673.48x = 36,543,521,338,851,770,499,072
  5. Step 5: Solve for x
    x = 36,543,521,338,851,770,499,072/218,725,620,673.48
  6. Step 6: Final answer
    x = 167,074,717,750.62

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1.5x scale

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.