Home / 137,276,367.75-189,440,740.53-74,552,026.77

Finding the Fourth Proportional to 137,276,367.75, 189,440,740.53 and 74,552,026.77

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Solution

The fourth proportional to 137,276,367.75, 189,440,740.53 and 74,552,026.77 is: 102,881,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,276,367.75 : 189,440,740.53 = 74,552,026.77 : x
  2. Step 2: Convert to fraction form
    137,276,367.75/189,440,740.53 = 74,552,026.77/x
  3. Step 3: Cross multiply
    137,276,367.75x = 189,440,740.53 × 74,552,026.77
  4. Step 4: Simplify right side
    137,276,367.75x = 14,123,191,159,321,184
  5. Step 5: Solve for x
    x = 14,123,191,159,321,184/137,276,367.75
  6. Step 6: Final answer
    x = 102,881,445.59

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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.