Home / 128,957,733.98-193,462,130.27-36,842,256.26

Finding the Fourth Proportional to 128,957,733.98, 193,462,130.27 and 36,842,256.26

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Solution

The fourth proportional to 128,957,733.98, 193,462,130.27 and 36,842,256.26 is: 55,270,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,957,733.98 : 193,462,130.27 = 36,842,256.26 : x
  2. Step 2: Convert to fraction form
    128,957,733.98/193,462,130.27 = 36,842,256.26/x
  3. Step 3: Cross multiply
    128,957,733.98x = 193,462,130.27 × 36,842,256.26
  4. Step 4: Simplify right side
    128,957,733.98x = 7,127,581,379,137,639
  5. Step 5: Solve for x
    x = 7,127,581,379,137,639/128,957,733.98
  6. Step 6: Final answer
    x = 55,270,677.91

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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.