Home / 312,032,623.36-429,911,681.52-205,997,190.16

Finding the Fourth Proportional to 312,032,623.36, 429,911,681.52 and 205,997,190.16

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Solution

The fourth proportional to 312,032,623.36, 429,911,681.52 and 205,997,190.16 is: 283,818,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,032,623.36 : 429,911,681.52 = 205,997,190.16 : x
  2. Step 2: Convert to fraction form
    312,032,623.36/429,911,681.52 = 205,997,190.16/x
  3. Step 3: Cross multiply
    312,032,623.36x = 429,911,681.52 × 205,997,190.16
  4. Step 4: Simplify right side
    312,032,623.36x = 88,560,598,410,080,800
  5. Step 5: Solve for x
    x = 88,560,598,410,080,800/312,032,623.36
  6. Step 6: Final answer
    x = 283,818,395.19

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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.