Home / 122,316,518.35-168,796,819.74-67,312,374.85

Finding the Fourth Proportional to 122,316,518.35, 168,796,819.74 and 67,312,374.85

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Solution

The fourth proportional to 122,316,518.35, 168,796,819.74 and 67,312,374.85 is: 92,891,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,316,518.35 : 168,796,819.74 = 67,312,374.85 : x
  2. Step 2: Convert to fraction form
    122,316,518.35/168,796,819.74 = 67,312,374.85/x
  3. Step 3: Cross multiply
    122,316,518.35x = 168,796,819.74 × 67,312,374.85
  4. Step 4: Simplify right side
    122,316,518.35x = 11,362,114,803,720,440
  5. Step 5: Solve for x
    x = 11,362,114,803,720,440/122,316,518.35
  6. Step 6: Final answer
    x = 92,891,090.73

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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.