Home / 54,128,519.60-81,192,779.40-36,909,831.20

Finding the Fourth Proportional to 54,128,519.60, 81,192,779.40 and 36,909,831.20

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Solution

The fourth proportional to 54,128,519.60, 81,192,779.40 and 36,909,831.20 is: 55,364,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,519.60 : 81,192,779.40 = 36,909,831.20 : x
  2. Step 2: Convert to fraction form
    54,128,519.60/81,192,779.40 = 36,909,831.20/x
  3. Step 3: Cross multiply
    54,128,519.60x = 81,192,779.40 × 36,909,831.20
  4. Step 4: Simplify right side
    54,128,519.60x = 2,996,811,782,312,837.50
  5. Step 5: Solve for x
    x = 2,996,811,782,312,837.50/54,128,519.60
  6. Step 6: Final answer
    x = 55,364,746.80

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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.