Home / 122,453,950.84-168,985,004.04-66,699,196.16

Finding the Fourth Proportional to 122,453,950.84, 168,985,004.04 and 66,699,196.16

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Solution

The fourth proportional to 122,453,950.84, 168,985,004.04 and 66,699,196.16 is: 92,044,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,453,950.84 : 168,985,004.04 = 66,699,196.16 : x
  2. Step 2: Convert to fraction form
    122,453,950.84/168,985,004.04 = 66,699,196.16/x
  3. Step 3: Cross multiply
    122,453,950.84x = 168,985,004.04 × 66,699,196.16
  4. Step 4: Simplify right side
    122,453,950.84x = 11,271,163,932,562,352
  5. Step 5: Solve for x
    x = 11,271,163,932,562,352/122,453,950.84
  6. Step 6: Final answer
    x = 92,044,101.93

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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.