Home / 120,702,925.58-166,573,605.87-85,483,740.02

Finding the Fourth Proportional to 120,702,925.58, 166,573,605.87 and 85,483,740.02

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Solution

The fourth proportional to 120,702,925.58, 166,573,605.87 and 85,483,740.02 is: 117,970,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,702,925.58 : 166,573,605.87 = 85,483,740.02 : x
  2. Step 2: Convert to fraction form
    120,702,925.58/166,573,605.87 = 85,483,740.02/x
  3. Step 3: Cross multiply
    120,702,925.58x = 166,573,605.87 × 85,483,740.02
  4. Step 4: Simplify right side
    120,702,925.58x = 14,239,334,817,552,158
  5. Step 5: Solve for x
    x = 14,239,334,817,552,158/120,702,925.58
  6. Step 6: Final answer
    x = 117,970,088.54

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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.