Home / 74,730,109.60-112,095,164.40-54,322,775.20

Finding the Fourth Proportional to 74,730,109.60, 112,095,164.40 and 54,322,775.20

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Solution

The fourth proportional to 74,730,109.60, 112,095,164.40 and 54,322,775.20 is: 81,484,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,730,109.60 : 112,095,164.40 = 54,322,775.20 : x
  2. Step 2: Convert to fraction form
    74,730,109.60/112,095,164.40 = 54,322,775.20/x
  3. Step 3: Cross multiply
    74,730,109.60x = 112,095,164.40 × 54,322,775.20
  4. Step 4: Simplify right side
    74,730,109.60x = 6,089,320,416,708,244
  5. Step 5: Solve for x
    x = 6,089,320,416,708,244/74,730,109.60
  6. Step 6: Final answer
    x = 81,484,162.80

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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.