Home / 74,730,006.60-112,095,009.90-54,322,672.20

Finding the Fourth Proportional to 74,730,006.60, 112,095,009.90 and 54,322,672.20

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Solution

The fourth proportional to 74,730,006.60, 112,095,009.90 and 54,322,672.20 is: 81,484,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,730,006.60 : 112,095,009.90 = 54,322,672.20 : x
  2. Step 2: Convert to fraction form
    74,730,006.60/112,095,009.90 = 54,322,672.20/x
  3. Step 3: Cross multiply
    74,730,006.60x = 112,095,009.90 × 54,322,672.20
  4. Step 4: Simplify right side
    74,730,006.60x = 6,089,300,478,053,455
  5. Step 5: Solve for x
    x = 6,089,300,478,053,455/74,730,006.60
  6. Step 6: Final answer
    x = 81,484,008.30

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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.