Home / 163,559,601.60-245,131,005.60-86,919,345.60

Finding the Fourth Proportional to 163,559,601.60, 245,131,005.60 and 86,919,345.60

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Solution

The fourth proportional to 163,559,601.60, 245,131,005.60 and 86,919,345.60 is: 130,268,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,559,601.60 : 245,131,005.60 = 86,919,345.60 : x
  2. Step 2: Convert to fraction form
    163,559,601.60/245,131,005.60 = 86,919,345.60/x
  3. Step 3: Cross multiply
    163,559,601.60x = 245,131,005.60 × 86,919,345.60
  4. Step 4: Simplify right side
    163,559,601.60x = 21,306,626,593,021,932
  5. Step 5: Solve for x
    x = 21,306,626,593,021,932/163,559,601.60
  6. Step 6: Final answer
    x = 130,268,271.53

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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.