Home / 100,306,533.44-138,294,873.04-64,961,885.16

Finding the Fourth Proportional to 100,306,533.44, 138,294,873.04 and 64,961,885.16

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Solution

The fourth proportional to 100,306,533.44, 138,294,873.04 and 64,961,885.16 is: 89,564,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,306,533.44 : 138,294,873.04 = 64,961,885.16 : x
  2. Step 2: Convert to fraction form
    100,306,533.44/138,294,873.04 = 64,961,885.16/x
  3. Step 3: Cross multiply
    100,306,533.44x = 138,294,873.04 × 64,961,885.16
  4. Step 4: Simplify right side
    100,306,533.44x = 8,983,895,660,641,259
  5. Step 5: Solve for x
    x = 8,983,895,660,641,259/100,306,533.44
  6. Step 6: Final answer
    x = 89,564,411.73

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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.