Home / 137,276,366.74-189,440,739.15-74,552,025.76

Finding the Fourth Proportional to 137,276,366.74, 189,440,739.15 and 74,552,025.76

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Solution

The fourth proportional to 137,276,366.74, 189,440,739.15 and 74,552,025.76 is: 102,881,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,276,366.74 : 189,440,739.15 = 74,552,025.76 : x
  2. Step 2: Convert to fraction form
    137,276,366.74/189,440,739.15 = 74,552,025.76/x
  3. Step 3: Cross multiply
    137,276,366.74x = 189,440,739.15 × 74,552,025.76
  4. Step 4: Simplify right side
    137,276,366.74x = 14,123,190,865,104,242
  5. Step 5: Solve for x
    x = 14,123,190,865,104,242/137,276,366.74
  6. Step 6: Final answer
    x = 102,881,444.20

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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.