Home / 200,237,943.60-300,356,915.40-186,207,901.20

Finding the Fourth Proportional to 200,237,943.60, 300,356,915.40 and 186,207,901.20

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Solution

The fourth proportional to 200,237,943.60, 300,356,915.40 and 186,207,901.20 is: 279,311,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,237,943.60 : 300,356,915.40 = 186,207,901.20 : x
  2. Step 2: Convert to fraction form
    200,237,943.60/300,356,915.40 = 186,207,901.20/x
  3. Step 3: Cross multiply
    200,237,943.60x = 300,356,915.40 × 186,207,901.20
  4. Step 4: Simplify right side
    200,237,943.60x = 55,928,830,827,539,952
  5. Step 5: Solve for x
    x = 55,928,830,827,539,952/200,237,943.60
  6. Step 6: Final answer
    x = 279,311,851.80

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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.