Home / 161,784,043.20-242,676,064.80-71,084,779.20

Finding the Fourth Proportional to 161,784,043.20, 242,676,064.80 and 71,084,779.20

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Solution

The fourth proportional to 161,784,043.20, 242,676,064.80 and 71,084,779.20 is: 106,627,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,784,043.20 : 242,676,064.80 = 71,084,779.20 : x
  2. Step 2: Convert to fraction form
    161,784,043.20/242,676,064.80 = 71,084,779.20/x
  3. Step 3: Cross multiply
    161,784,043.20x = 242,676,064.80 × 71,084,779.20
  4. Step 4: Simplify right side
    161,784,043.20x = 17,250,574,483,432,894
  5. Step 5: Solve for x
    x = 17,250,574,483,432,894/161,784,043.20
  6. Step 6: Final answer
    x = 106,627,168.80

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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.