Home / 147,537,873.80-203,605,099.80-80,559,487.57

Finding the Fourth Proportional to 147,537,873.80, 203,605,099.80 and 80,559,487.57

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Solution

The fourth proportional to 147,537,873.80, 203,605,099.80 and 80,559,487.57 is: 111,173,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,537,873.80 : 203,605,099.80 = 80,559,487.57 : x
  2. Step 2: Convert to fraction form
    147,537,873.80/203,605,099.80 = 80,559,487.57/x
  3. Step 3: Cross multiply
    147,537,873.80x = 203,605,099.80 × 80,559,487.57
  4. Step 4: Simplify right side
    147,537,873.80x = 16,402,322,506,526,708
  5. Step 5: Solve for x
    x = 16,402,322,506,526,708/147,537,873.80
  6. Step 6: Final answer
    x = 111,173,640.26

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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.