Home / 199,308,812.40-298,963,218.60-55,701,644.40

Finding the Fourth Proportional to 199,308,812.40, 298,963,218.60 and 55,701,644.40

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Solution

The fourth proportional to 199,308,812.40, 298,963,218.60 and 55,701,644.40 is: 83,552,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,308,812.40 : 298,963,218.60 = 55,701,644.40 : x
  2. Step 2: Convert to fraction form
    199,308,812.40/298,963,218.60 = 55,701,644.40/x
  3. Step 3: Cross multiply
    199,308,812.40x = 298,963,218.60 × 55,701,644.40
  4. Step 4: Simplify right side
    199,308,812.40x = 16,652,742,891,136,666
  5. Step 5: Solve for x
    x = 16,652,742,891,136,666/199,308,812.40
  6. Step 6: Final answer
    x = 83,552,466.60

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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.