Home / 70,168,520.36-105,262,671.16-21,650,319.02

Finding the Fourth Proportional to 70,168,520.36, 105,262,671.16 and 21,650,319.02

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Solution

The fourth proportional to 70,168,520.36, 105,262,671.16 and 21,650,319.02 is: 32,478,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168,520.36 : 105,262,671.16 = 21,650,319.02 : x
  2. Step 2: Convert to fraction form
    70,168,520.36/105,262,671.16 = 21,650,319.02/x
  3. Step 3: Cross multiply
    70,168,520.36x = 105,262,671.16 × 21,650,319.02
  4. Step 4: Simplify right side
    70,168,520.36x = 2,278,970,411,511,353.50
  5. Step 5: Solve for x
    x = 2,278,970,411,511,353.50/70,168,520.36
  6. Step 6: Final answer
    x = 32,478,530.26

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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.