Home / 56,145,416.40-84,218,124.60-47,925,795.60

Finding the Fourth Proportional to 56,145,416.40, 84,218,124.60 and 47,925,795.60

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Solution

The fourth proportional to 56,145,416.40, 84,218,124.60 and 47,925,795.60 is: 71,888,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145,416.40 : 84,218,124.60 = 47,925,795.60 : x
  2. Step 2: Convert to fraction form
    56,145,416.40/84,218,124.60 = 47,925,795.60/x
  3. Step 3: Cross multiply
    56,145,416.40x = 84,218,124.60 × 47,925,795.60
  4. Step 4: Simplify right side
    56,145,416.40x = 4,036,220,625,394,931.50
  5. Step 5: Solve for x
    x = 4,036,220,625,394,931.50/56,145,416.40
  6. Step 6: Final answer
    x = 71,888,693.40

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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.