Home / 163,530,443.65-245,169,938.69-84,662,404.29

Finding the Fourth Proportional to 163,530,443.65, 245,169,938.69 and 84,662,404.29

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Solution

The fourth proportional to 163,530,443.65, 245,169,938.69 and 84,662,404.29 is: 126,928,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530,443.65 : 245,169,938.69 = 84,662,404.29 : x
  2. Step 2: Convert to fraction form
    163,530,443.65/245,169,938.69 = 84,662,404.29/x
  3. Step 3: Cross multiply
    163,530,443.65x = 245,169,938.69 × 84,662,404.29
  4. Step 4: Simplify right side
    163,530,443.65x = 20,756,676,467,478,132
  5. Step 5: Solve for x
    x = 20,756,676,467,478,132/163,530,443.65
  6. Step 6: Final answer
    x = 126,928,515.60

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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.