Home / 74,902,741.60-112,354,112.40-21,050,053.60

Finding the Fourth Proportional to 74,902,741.60, 112,354,112.40 and 21,050,053.60

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Solution

The fourth proportional to 74,902,741.60, 112,354,112.40 and 21,050,053.60 is: 31,575,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,741.60 : 112,354,112.40 = 21,050,053.60 : x
  2. Step 2: Convert to fraction form
    74,902,741.60/112,354,112.40 = 21,050,053.60/x
  3. Step 3: Cross multiply
    74,902,741.60x = 112,354,112.40 × 21,050,053.60
  4. Step 4: Simplify right side
    74,902,741.60x = 2,365,060,088,200,425
  5. Step 5: Solve for x
    x = 2,365,060,088,200,425/74,902,741.60
  6. Step 6: Final answer
    x = 31,575,080.40

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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.