Home / 80,136,158.18-120,173,595.86-43,725,087.01

Finding the Fourth Proportional to 80,136,158.18, 120,173,595.86 and 43,725,087.01

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Solution

The fourth proportional to 80,136,158.18, 120,173,595.86 and 43,725,087.01 is: 65,570,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,136,158.18 : 120,173,595.86 = 43,725,087.01 : x
  2. Step 2: Convert to fraction form
    80,136,158.18/120,173,595.86 = 43,725,087.01/x
  3. Step 3: Cross multiply
    80,136,158.18x = 120,173,595.86 × 43,725,087.01
  4. Step 4: Simplify right side
    80,136,158.18x = 5,254,600,935,283,076
  5. Step 5: Solve for x
    x = 5,254,600,935,283,076/80,136,158.18
  6. Step 6: Final answer
    x = 65,570,911.49

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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.