Home / 155,448,009.60-233,172,014.40-47,742,460.80

Finding the Fourth Proportional to 155,448,009.60, 233,172,014.40 and 47,742,460.80

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Solution

The fourth proportional to 155,448,009.60, 233,172,014.40 and 47,742,460.80 is: 71,613,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,448,009.60 : 233,172,014.40 = 47,742,460.80 : x
  2. Step 2: Convert to fraction form
    155,448,009.60/233,172,014.40 = 47,742,460.80/x
  3. Step 3: Cross multiply
    155,448,009.60x = 233,172,014.40 × 47,742,460.80
  4. Step 4: Simplify right side
    155,448,009.60x = 11,132,205,757,149,036
  5. Step 5: Solve for x
    x = 11,132,205,757,149,036/155,448,009.60
  6. Step 6: Final answer
    x = 71,613,691.20

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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.