Home / 266,835,728.49-368,237,066.03-153,742,717.11

Finding the Fourth Proportional to 266,835,728.49, 368,237,066.03 and 153,742,717.11

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Solution

The fourth proportional to 266,835,728.49, 368,237,066.03 and 153,742,717.11 is: 212,167,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,835,728.49 : 368,237,066.03 = 153,742,717.11 : x
  2. Step 2: Convert to fraction form
    266,835,728.49/368,237,066.03 = 153,742,717.11/x
  3. Step 3: Cross multiply
    266,835,728.49x = 368,237,066.03 × 153,742,717.11
  4. Step 4: Simplify right side
    266,835,728.49x = 56,613,767,071,297,968
  5. Step 5: Solve for x
    x = 56,613,767,071,297,968/266,835,728.49
  6. Step 6: Final answer
    x = 212,167,116.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.