Home / 163,608,608.70-245,412,913.05-42,440,060.70

Finding the Fourth Proportional to 163,608,608.70, 245,412,913.05 and 42,440,060.70

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Solution

The fourth proportional to 163,608,608.70, 245,412,913.05 and 42,440,060.70 is: 63,660,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,608,608.70 : 245,412,913.05 = 42,440,060.70 : x
  2. Step 2: Convert to fraction form
    163,608,608.70/245,412,913.05 = 42,440,060.70/x
  3. Step 3: Cross multiply
    163,608,608.70x = 245,412,913.05 × 42,440,060.70
  4. Step 4: Simplify right side
    163,608,608.70x = 10,415,338,926,405,824
  5. Step 5: Solve for x
    x = 10,415,338,926,405,824/163,608,608.70
  6. Step 6: Final answer
    x = 63,660,091.05

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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.