Home / 161,507,713.20-242,261,569.80-64,478,396.40

Finding the Fourth Proportional to 161,507,713.20, 242,261,569.80 and 64,478,396.40

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Solution

The fourth proportional to 161,507,713.20, 242,261,569.80 and 64,478,396.40 is: 96,717,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,507,713.20 : 242,261,569.80 = 64,478,396.40 : x
  2. Step 2: Convert to fraction form
    161,507,713.20/242,261,569.80 = 64,478,396.40/x
  3. Step 3: Cross multiply
    161,507,713.20x = 242,261,569.80 × 64,478,396.40
  4. Step 4: Simplify right side
    161,507,713.20x = 15,620,637,530,050,670
  5. Step 5: Solve for x
    x = 15,620,637,530,050,670/161,507,713.20
  6. Step 6: Final answer
    x = 96,717,594.60

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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.