Home / 291,276,128.80-436,914,193.20-118,658,843.20

Finding the Fourth Proportional to 291,276,128.80, 436,914,193.20 and 118,658,843.20

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Solution

The fourth proportional to 291,276,128.80, 436,914,193.20 and 118,658,843.20 is: 177,988,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276,128.80 : 436,914,193.20 = 118,658,843.20 : x
  2. Step 2: Convert to fraction form
    291,276,128.80/436,914,193.20 = 118,658,843.20/x
  3. Step 3: Cross multiply
    291,276,128.80x = 436,914,193.20 × 118,658,843.20
  4. Step 4: Simplify right side
    291,276,128.80x = 51,843,732,742,773,304
  5. Step 5: Solve for x
    x = 51,843,732,742,773,304/291,276,128.80
  6. Step 6: Final answer
    x = 177,988,264.80

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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.