Home / 86,960,025.16-120,006,325.65-47,803,452.28

Finding the Fourth Proportional to 86,960,025.16, 120,006,325.65 and 47,803,452.28

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Solution

The fourth proportional to 86,960,025.16, 120,006,325.65 and 47,803,452.28 is: 65,969,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,960,025.16 : 120,006,325.65 = 47,803,452.28 : x
  2. Step 2: Convert to fraction form
    86,960,025.16/120,006,325.65 = 47,803,452.28/x
  3. Step 3: Cross multiply
    86,960,025.16x = 120,006,325.65 × 47,803,452.28
  4. Step 4: Simplify right side
    86,960,025.16x = 5,736,716,661,507,915
  5. Step 5: Solve for x
    x = 5,736,716,661,507,915/86,960,025.16
  6. Step 6: Final answer
    x = 65,969,583.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.