Home / 292,404,395.60-438,438,631.80-87,901,816.40

Finding the Fourth Proportional to 292,404,395.60, 438,438,631.80 and 87,901,816.40

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Solution

The fourth proportional to 292,404,395.60, 438,438,631.80 and 87,901,816.40 is: 131,802,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,404,395.60 : 438,438,631.80 = 87,901,816.40 : x
  2. Step 2: Convert to fraction form
    292,404,395.60/438,438,631.80 = 87,901,816.40/x
  3. Step 3: Cross multiply
    292,404,395.60x = 438,438,631.80 × 87,901,816.40
  4. Step 4: Simplify right side
    292,404,395.60x = 38,539,552,115,150,808
  5. Step 5: Solve for x
    x = 38,539,552,115,150,808/292,404,395.60
  6. Step 6: Final answer
    x = 131,802,232.44

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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.