Home / 56,243,873.61-84,365,208.99-42,680,318.31

Finding the Fourth Proportional to 56,243,873.61, 84,365,208.99 and 42,680,318.31

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Solution

The fourth proportional to 56,243,873.61, 84,365,208.99 and 42,680,318.31 is: 64,020,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,243,873.61 : 84,365,208.99 = 42,680,318.31 : x
  2. Step 2: Convert to fraction form
    56,243,873.61/84,365,208.99 = 42,680,318.31/x
  3. Step 3: Cross multiply
    56,243,873.61x = 84,365,208.99 × 42,680,318.31
  4. Step 4: Simplify right side
    56,243,873.61x = 3,600,733,973,982,873.50
  5. Step 5: Solve for x
    x = 3,600,733,973,982,873.50/56,243,873.61
  6. Step 6: Final answer
    x = 64,020,021.08

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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.