Home / 243,089,415.90-364,692,132-79,327,476.90

Finding the Fourth Proportional to 243,089,415.90, 364,692,132 and 79,327,476.90

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Solution

The fourth proportional to 243,089,415.90, 364,692,132 and 79,327,476.90 is: 119,010,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,089,415.90 : 364,692,132 = 79,327,476.90 : x
  2. Step 2: Convert to fraction form
    243,089,415.90/364,692,132 = 79,327,476.90/x
  3. Step 3: Cross multiply
    243,089,415.90x = 364,692,132 × 79,327,476.90
  4. Step 4: Simplify right side
    243,089,415.90x = 28,930,106,676,841,752
  5. Step 5: Solve for x
    x = 28,930,106,676,841,752/243,089,415.90
  6. Step 6: Final answer
    x = 119,010,145.18

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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.