Home / 57,779,429.60-86,691,262.80-56,872,575.20

Finding the Fourth Proportional to 57,779,429.60, 86,691,262.80 and 56,872,575.20

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Solution

The fourth proportional to 57,779,429.60, 86,691,262.80 and 56,872,575.20 is: 85,330,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779,429.60 : 86,691,262.80 = 56,872,575.20 : x
  2. Step 2: Convert to fraction form
    57,779,429.60/86,691,262.80 = 56,872,575.20/x
  3. Step 3: Cross multiply
    57,779,429.60x = 86,691,262.80 × 56,872,575.20
  4. Step 4: Simplify right side
    57,779,429.60x = 4,930,355,362,775,963
  5. Step 5: Solve for x
    x = 4,930,355,362,775,963/57,779,429.60
  6. Step 6: Final answer
    x = 85,330,634.05

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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.