Home / 100,829,901.70-151,118,881.35-73,872,064.90

Finding the Fourth Proportional to 100,829,901.70, 151,118,881.35 and 73,872,064.90

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Solution

The fourth proportional to 100,829,901.70, 151,118,881.35 and 73,872,064.90 is: 110,715,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,829,901.70 : 151,118,881.35 = 73,872,064.90 : x
  2. Step 2: Convert to fraction form
    100,829,901.70/151,118,881.35 = 73,872,064.90/x
  3. Step 3: Cross multiply
    100,829,901.70x = 151,118,881.35 × 73,872,064.90
  4. Step 4: Simplify right side
    100,829,901.70x = 11,163,463,810,702,600
  5. Step 5: Solve for x
    x = 11,163,463,810,702,600/100,829,901.70
  6. Step 6: Final answer
    x = 110,715,805.75

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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.