Home / 218,293,297.32-301,236,840.90-120,506,053.80

Finding the Fourth Proportional to 218,293,297.32, 301,236,840.90 and 120,506,053.80

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Solution

The fourth proportional to 218,293,297.32, 301,236,840.90 and 120,506,053.80 is: 166,293,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,293,297.32 : 301,236,840.90 = 120,506,053.80 : x
  2. Step 2: Convert to fraction form
    218,293,297.32/301,236,840.90 = 120,506,053.80/x
  3. Step 3: Cross multiply
    218,293,297.32x = 301,236,840.90 × 120,506,053.80
  4. Step 4: Simplify right side
    218,293,297.32x = 36,300,862,956,037,440
  5. Step 5: Solve for x
    x = 36,300,862,956,037,440/218,293,297.32
  6. Step 6: Final answer
    x = 166,293,987.96

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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.