Home / 86,985,274.60-130,577,444.70-51,103,700.20

Finding the Fourth Proportional to 86,985,274.60, 130,577,444.70 and 51,103,700.20

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Solution

The fourth proportional to 86,985,274.60, 130,577,444.70 and 51,103,700.20 is: 76,714,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,985,274.60 : 130,577,444.70 = 51,103,700.20 : x
  2. Step 2: Convert to fraction form
    86,985,274.60/130,577,444.70 = 51,103,700.20/x
  3. Step 3: Cross multiply
    86,985,274.60x = 130,577,444.70 × 51,103,700.20
  4. Step 4: Simplify right side
    86,985,274.60x = 6,672,990,586,830,879
  5. Step 5: Solve for x
    x = 6,672,990,586,830,879/86,985,274.60
  6. Step 6: Final answer
    x = 76,714,025.65

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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.