Home / 209,736,579.60-314,604,869.40-133,398,032.40

Finding the Fourth Proportional to 209,736,579.60, 314,604,869.40 and 133,398,032.40

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Solution

The fourth proportional to 209,736,579.60, 314,604,869.40 and 133,398,032.40 is: 200,097,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,736,579.60 : 314,604,869.40 = 133,398,032.40 : x
  2. Step 2: Convert to fraction form
    209,736,579.60/314,604,869.40 = 133,398,032.40/x
  3. Step 3: Cross multiply
    209,736,579.60x = 314,604,869.40 × 133,398,032.40
  4. Step 4: Simplify right side
    209,736,579.60x = 41,967,670,561,418,968
  5. Step 5: Solve for x
    x = 41,967,670,561,418,968/209,736,579.60
  6. Step 6: Final answer
    x = 200,097,048.60

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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.