Home / 256,211,169.40-384,316,754.10-243,670,036.60

Finding the Fourth Proportional to 256,211,169.40, 384,316,754.10 and 243,670,036.60

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Solution

The fourth proportional to 256,211,169.40, 384,316,754.10 and 243,670,036.60 is: 365,505,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,211,169.40 : 384,316,754.10 = 243,670,036.60 : x
  2. Step 2: Convert to fraction form
    256,211,169.40/384,316,754.10 = 243,670,036.60/x
  3. Step 3: Cross multiply
    256,211,169.40x = 384,316,754.10 × 243,670,036.60
  4. Step 4: Simplify right side
    256,211,169.40x = 93,646,477,537,540,208
  5. Step 5: Solve for x
    x = 93,646,477,537,540,208/256,211,169.40
  6. Step 6: Final answer
    x = 365,505,054.90

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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.