Home / 218,290,746.92-301,242,192.90-120,506,406.44

Finding the Fourth Proportional to 218,290,746.92, 301,242,192.90 and 120,506,406.44

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Solution

The fourth proportional to 218,290,746.92, 301,242,192.90 and 120,506,406.44 is: 166,299,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,290,746.92 : 301,242,192.90 = 120,506,406.44 : x
  2. Step 2: Convert to fraction form
    218,290,746.92/301,242,192.90 = 120,506,406.44/x
  3. Step 3: Cross multiply
    218,290,746.92x = 301,242,192.90 × 120,506,406.44
  4. Step 4: Simplify right side
    218,290,746.92x = 36,301,614,134,484,280
  5. Step 5: Solve for x
    x = 36,301,614,134,484,280/218,290,746.92
  6. Step 6: Final answer
    x = 166,299,372.04

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1.5x scale

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.