Home / 155,365,314.35-214,484,837.54-113,502,378.20

Finding the Fourth Proportional to 155,365,314.35, 214,484,837.54 and 113,502,378.20

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Solution

The fourth proportional to 155,365,314.35, 214,484,837.54 and 113,502,378.20 is: 156,692,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,365,314.35 : 214,484,837.54 = 113,502,378.20 : x
  2. Step 2: Convert to fraction form
    155,365,314.35/214,484,837.54 = 113,502,378.20/x
  3. Step 3: Cross multiply
    155,365,314.35x = 214,484,837.54 × 113,502,378.20
  4. Step 4: Simplify right side
    155,365,314.35x = 24,344,539,146,990,700
  5. Step 5: Solve for x
    x = 24,344,539,146,990,700/155,365,314.35
  6. Step 6: Final answer
    x = 156,692,240.15

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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.