Home / 86,292,730.32-119,083,180.80-47,134,500.72

Finding the Fourth Proportional to 86,292,730.32, 119,083,180.80 and 47,134,500.72

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Solution

The fourth proportional to 86,292,730.32, 119,083,180.80 and 47,134,500.72 is: 65,045,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,292,730.32 : 119,083,180.80 = 47,134,500.72 : x
  2. Step 2: Convert to fraction form
    86,292,730.32/119,083,180.80 = 47,134,500.72/x
  3. Step 3: Cross multiply
    86,292,730.32x = 119,083,180.80 × 47,134,500.72
  4. Step 4: Simplify right side
    86,292,730.32x = 5,612,926,271,157,490
  5. Step 5: Solve for x
    x = 5,612,926,271,157,490/86,292,730.32
  6. Step 6: Final answer
    x = 65,045,181.10

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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.