Home / 243,631,860.32-365,301,807.96-77,563,595.36

Finding the Fourth Proportional to 243,631,860.32, 365,301,807.96 and 77,563,595.36

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Solution

The fourth proportional to 243,631,860.32, 365,301,807.96 and 77,563,595.36 is: 116,298,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,631,860.32 : 365,301,807.96 = 77,563,595.36 : x
  2. Step 2: Convert to fraction form
    243,631,860.32/365,301,807.96 = 77,563,595.36/x
  3. Step 3: Cross multiply
    243,631,860.32x = 365,301,807.96 × 77,563,595.36
  4. Step 4: Simplify right side
    243,631,860.32x = 28,334,121,616,885,864
  5. Step 5: Solve for x
    x = 28,334,121,616,885,864/243,631,860.32
  6. Step 6: Final answer
    x = 116,298,917.47

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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.