Home / 53,121,970.60-79,682,955.90-48,587,007.40

Finding the Fourth Proportional to 53,121,970.60, 79,682,955.90 and 48,587,007.40

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Solution

The fourth proportional to 53,121,970.60, 79,682,955.90 and 48,587,007.40 is: 72,880,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121,970.60 : 79,682,955.90 = 48,587,007.40 : x
  2. Step 2: Convert to fraction form
    53,121,970.60/79,682,955.90 = 48,587,007.40/x
  3. Step 3: Cross multiply
    53,121,970.60x = 79,682,955.90 × 48,587,007.40
  4. Step 4: Simplify right side
    53,121,970.60x = 3,871,556,367,967,174
  5. Step 5: Solve for x
    x = 3,871,556,367,967,174/53,121,970.60
  6. Step 6: Final answer
    x = 72,880,511.10

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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.