Home / 231,720,009.60-347,580,014.40-70,169,980.80

Finding the Fourth Proportional to 231,720,009.60, 347,580,014.40 and 70,169,980.80

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Solution

The fourth proportional to 231,720,009.60, 347,580,014.40 and 70,169,980.80 is: 105,254,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,720,009.60 : 347,580,014.40 = 70,169,980.80 : x
  2. Step 2: Convert to fraction form
    231,720,009.60/347,580,014.40 = 70,169,980.80/x
  3. Step 3: Cross multiply
    231,720,009.60x = 347,580,014.40 × 70,169,980.80
  4. Step 4: Simplify right side
    231,720,009.60x = 24,389,682,936,911,720
  5. Step 5: Solve for x
    x = 24,389,682,936,911,720/231,720,009.60
  6. Step 6: Final answer
    x = 105,254,971.20

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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.