Home / 142,909,007.04-214,376,297.76-55,468,476.72

Finding the Fourth Proportional to 142,909,007.04, 214,376,297.76 and 55,468,476.72

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Solution

The fourth proportional to 142,909,007.04, 214,376,297.76 and 55,468,476.72 is: 83,207,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,909,007.04 : 214,376,297.76 = 55,468,476.72 : x
  2. Step 2: Convert to fraction form
    142,909,007.04/214,376,297.76 = 55,468,476.72/x
  3. Step 3: Cross multiply
    142,909,007.04x = 214,376,297.76 × 55,468,476.72
  4. Step 4: Simplify right side
    142,909,007.04x = 11,891,126,681,620,348
  5. Step 5: Solve for x
    x = 11,891,126,681,620,348/142,909,007.04
  6. Step 6: Final answer
    x = 83,207,678.28

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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.