Home / 122,635,085.72-183,884,209.54-40,709,472.76

Finding the Fourth Proportional to 122,635,085.72, 183,884,209.54 and 40,709,472.76

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Solution

The fourth proportional to 122,635,085.72, 183,884,209.54 and 40,709,472.76 is: 61,041,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,635,085.72 : 183,884,209.54 = 40,709,472.76 : x
  2. Step 2: Convert to fraction form
    122,635,085.72/183,884,209.54 = 40,709,472.76/x
  3. Step 3: Cross multiply
    122,635,085.72x = 183,884,209.54 × 40,709,472.76
  4. Step 4: Simplify right side
    122,635,085.72x = 7,485,829,219,262,761
  5. Step 5: Solve for x
    x = 7,485,829,219,262,761/122,635,085.72
  6. Step 6: Final answer
    x = 61,041,497.02

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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.