Home / 122,134,085.20-183,201,127.80-64,738,457.20

Finding the Fourth Proportional to 122,134,085.20, 183,201,127.80 and 64,738,457.20

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Solution

The fourth proportional to 122,134,085.20, 183,201,127.80 and 64,738,457.20 is: 97,107,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,134,085.20 : 183,201,127.80 = 64,738,457.20 : x
  2. Step 2: Convert to fraction form
    122,134,085.20/183,201,127.80 = 64,738,457.20/x
  3. Step 3: Cross multiply
    122,134,085.20x = 183,201,127.80 × 64,738,457.20
  4. Step 4: Simplify right side
    122,134,085.20x = 11,860,158,371,072,032
  5. Step 5: Solve for x
    x = 11,860,158,371,072,032/122,134,085.20
  6. Step 6: Final answer
    x = 97,107,685.80

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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.