Home / 122,472,009.60-183,723,760.80-61,092,542.40

Finding the Fourth Proportional to 122,472,009.60, 183,723,760.80 and 61,092,542.40

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Solution

The fourth proportional to 122,472,009.60, 183,723,760.80 and 61,092,542.40 is: 91,646,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,472,009.60 : 183,723,760.80 = 61,092,542.40 : x
  2. Step 2: Convert to fraction form
    122,472,009.60/183,723,760.80 = 61,092,542.40/x
  3. Step 3: Cross multiply
    122,472,009.60x = 183,723,760.80 × 61,092,542.40
  4. Step 4: Simplify right side
    122,472,009.60x = 11,224,151,646,561,458
  5. Step 5: Solve for x
    x = 11,224,151,646,561,458/122,472,009.60
  6. Step 6: Final answer
    x = 91,646,668.35

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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.