Home / 137,314,762.20-189,493,460.10-74,590,290

Finding the Fourth Proportional to 137,314,762.20, 189,493,460.10 and 74,590,290

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Solution

The fourth proportional to 137,314,762.20, 189,493,460.10 and 74,590,290 is: 102,934,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,314,762.20 : 189,493,460.10 = 74,590,290 : x
  2. Step 2: Convert to fraction form
    137,314,762.20/189,493,460.10 = 74,590,290/x
  3. Step 3: Cross multiply
    137,314,762.20x = 189,493,460.10 × 74,590,290
  4. Step 4: Simplify right side
    137,314,762.20x = 14,134,372,141,962,428
  5. Step 5: Solve for x
    x = 14,134,372,141,962,428/137,314,762.20
  6. Step 6: Final answer
    x = 102,934,104.94

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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.