Home / 242,968,019.40-364,483,997.10-89,721,721.80

Finding the Fourth Proportional to 242,968,019.40, 364,483,997.10 and 89,721,721.80

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Solution

The fourth proportional to 242,968,019.40, 364,483,997.10 and 89,721,721.80 is: 134,594,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,968,019.40 : 364,483,997.10 = 89,721,721.80 : x
  2. Step 2: Convert to fraction form
    242,968,019.40/364,483,997.10 = 89,721,721.80/x
  3. Step 3: Cross multiply
    242,968,019.40x = 364,483,997.10 × 89,721,721.80
  4. Step 4: Simplify right side
    242,968,019.40x = 32,702,131,788,358,208
  5. Step 5: Solve for x
    x = 32,702,131,788,358,208/242,968,019.40
  6. Step 6: Final answer
    x = 134,594,387.64

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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.