Home / 99,066,127.32-148,611,009-47,911,388.12

Finding the Fourth Proportional to 99,066,127.32, 148,611,009 and 47,911,388.12

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Solution

The fourth proportional to 99,066,127.32, 148,611,009 and 47,911,388.12 is: 71,872,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066,127.32 : 148,611,009 = 47,911,388.12 : x
  2. Step 2: Convert to fraction form
    99,066,127.32/148,611,009 = 47,911,388.12/x
  3. Step 3: Cross multiply
    99,066,127.32x = 148,611,009 × 47,911,388.12
  4. Step 4: Simplify right side
    99,066,127.32x = 7,120,159,731,103,813
  5. Step 5: Solve for x
    x = 7,120,159,731,103,813/99,066,127.32
  6. Step 6: Final answer
    x = 71,872,797.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.