Home / 129,325,208.64-194,018,698.88-43,064,362.76

Finding the Fourth Proportional to 129,325,208.64, 194,018,698.88 and 43,064,362.76

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Solution

The fourth proportional to 129,325,208.64, 194,018,698.88 and 43,064,362.76 is: 64,606,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,325,208.64 : 194,018,698.88 = 43,064,362.76 : x
  2. Step 2: Convert to fraction form
    129,325,208.64/194,018,698.88 = 43,064,362.76/x
  3. Step 3: Cross multiply
    129,325,208.64x = 194,018,698.88 × 43,064,362.76
  4. Step 4: Simplify right side
    129,325,208.64x = 8,355,291,630,791,525
  5. Step 5: Solve for x
    x = 8,355,291,630,791,525/129,325,208.64
  6. Step 6: Final answer
    x = 64,606,828.93

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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.