Home / 209,892,036.40-314,838,054.60-201,388,980.40

Finding the Fourth Proportional to 209,892,036.40, 314,838,054.60 and 201,388,980.40

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Solution

The fourth proportional to 209,892,036.40, 314,838,054.60 and 201,388,980.40 is: 302,083,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,892,036.40 : 314,838,054.60 = 201,388,980.40 : x
  2. Step 2: Convert to fraction form
    209,892,036.40/314,838,054.60 = 201,388,980.40/x
  3. Step 3: Cross multiply
    209,892,036.40x = 314,838,054.60 × 201,388,980.40
  4. Step 4: Simplify right side
    209,892,036.40x = 63,404,914,807,013,536
  5. Step 5: Solve for x
    x = 63,404,914,807,013,536/209,892,036.40
  6. Step 6: Final answer
    x = 302,083,470.60

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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.