Home / 242,776,968.81-364,210,361.44-76,822,256.60

Finding the Fourth Proportional to 242,776,968.81, 364,210,361.44 and 76,822,256.60

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Solution

The fourth proportional to 242,776,968.81, 364,210,361.44 and 76,822,256.60 is: 115,247,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,776,968.81 : 364,210,361.44 = 76,822,256.60 : x
  2. Step 2: Convert to fraction form
    242,776,968.81/364,210,361.44 = 76,822,256.60/x
  3. Step 3: Cross multiply
    242,776,968.81x = 364,210,361.44 × 76,822,256.60
  4. Step 4: Simplify right side
    242,776,968.81x = 27,979,461,843,640,900
  5. Step 5: Solve for x
    x = 27,979,461,843,640,900/242,776,968.81
  6. Step 6: Final answer
    x = 115,247,595.28

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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.