Home / 56,376,021.60-84,564,032.40-47,872,965.60

Finding the Fourth Proportional to 56,376,021.60, 84,564,032.40 and 47,872,965.60

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Solution

The fourth proportional to 56,376,021.60, 84,564,032.40 and 47,872,965.60 is: 71,809,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376,021.60 : 84,564,032.40 = 47,872,965.60 : x
  2. Step 2: Convert to fraction form
    56,376,021.60/84,564,032.40 = 47,872,965.60/x
  3. Step 3: Cross multiply
    56,376,021.60x = 84,564,032.40 × 47,872,965.60
  4. Step 4: Simplify right side
    56,376,021.60x = 4,048,331,014,082,486
  5. Step 5: Solve for x
    x = 4,048,331,014,082,486/56,376,021.60
  6. Step 6: Final answer
    x = 71,809,448.40

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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.