Home / 53,152,195.20-79,728,292.80-52,144,425.60

Finding the Fourth Proportional to 53,152,195.20, 79,728,292.80 and 52,144,425.60

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Solution

The fourth proportional to 53,152,195.20, 79,728,292.80 and 52,144,425.60 is: 78,216,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152,195.20 : 79,728,292.80 = 52,144,425.60 : x
  2. Step 2: Convert to fraction form
    53,152,195.20/79,728,292.80 = 52,144,425.60/x
  3. Step 3: Cross multiply
    53,152,195.20x = 79,728,292.80 × 52,144,425.60
  4. Step 4: Simplify right side
    53,152,195.20x = 4,157,386,032,124,615.50
  5. Step 5: Solve for x
    x = 4,157,386,032,124,615.50/53,152,195.20
  6. Step 6: Final answer
    x = 78,216,638.40

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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.