Home / 51,503,421.60-77,255,132.40-19,586,570.40

Finding the Fourth Proportional to 51,503,421.60, 77,255,132.40 and 19,586,570.40

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Solution

The fourth proportional to 51,503,421.60, 77,255,132.40 and 19,586,570.40 is: 29,379,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503,421.60 : 77,255,132.40 = 19,586,570.40 : x
  2. Step 2: Convert to fraction form
    51,503,421.60/77,255,132.40 = 19,586,570.40/x
  3. Step 3: Cross multiply
    51,503,421.60x = 77,255,132.40 × 19,586,570.40
  4. Step 4: Simplify right side
    51,503,421.60x = 1,513,163,089,513,921
  5. Step 5: Solve for x
    x = 1,513,163,089,513,921/51,503,421.60
  6. Step 6: Final answer
    x = 29,379,855.60

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1.5x scale

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.