Home / 147,537,871.80-203,605,097.04-80,559,485.57

Finding the Fourth Proportional to 147,537,871.80, 203,605,097.04 and 80,559,485.57

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Solution

The fourth proportional to 147,537,871.80, 203,605,097.04 and 80,559,485.57 is: 111,173,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,537,871.80 : 203,605,097.04 = 80,559,485.57 : x
  2. Step 2: Convert to fraction form
    147,537,871.80/203,605,097.04 = 80,559,485.57/x
  3. Step 3: Cross multiply
    147,537,871.80x = 203,605,097.04 × 80,559,485.57
  4. Step 4: Simplify right side
    147,537,871.80x = 16,402,321,876,972,328
  5. Step 5: Solve for x
    x = 16,402,321,876,972,328/147,537,871.80
  6. Step 6: Final answer
    x = 111,173,637.50

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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.