Home / 163,559,618.60-245,131,031.10-86,919,362.60

Finding the Fourth Proportional to 163,559,618.60, 245,131,031.10 and 86,919,362.60

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Solution

The fourth proportional to 163,559,618.60, 245,131,031.10 and 86,919,362.60 is: 130,268,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,559,618.60 : 245,131,031.10 = 86,919,362.60 : x
  2. Step 2: Convert to fraction form
    163,559,618.60/245,131,031.10 = 86,919,362.60/x
  3. Step 3: Cross multiply
    163,559,618.60x = 245,131,031.10 × 86,919,362.60
  4. Step 4: Simplify right side
    163,559,618.60x = 21,306,632,976,692,776
  5. Step 5: Solve for x
    x = 21,306,632,976,692,776/163,559,618.60
  6. Step 6: Final answer
    x = 130,268,297.02

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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.