Home / 207,019,551.80-310,529,327.70-202,988,473.40

Finding the Fourth Proportional to 207,019,551.80, 310,529,327.70 and 202,988,473.40

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Solution

The fourth proportional to 207,019,551.80, 310,529,327.70 and 202,988,473.40 is: 304,482,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,019,551.80 : 310,529,327.70 = 202,988,473.40 : x
  2. Step 2: Convert to fraction form
    207,019,551.80/310,529,327.70 = 202,988,473.40/x
  3. Step 3: Cross multiply
    207,019,551.80x = 310,529,327.70 × 202,988,473.40
  4. Step 4: Simplify right side
    207,019,551.80x = 63,033,874,175,751,336
  5. Step 5: Solve for x
    x = 63,033,874,175,751,336/207,019,551.80
  6. Step 6: Final answer
    x = 304,482,710.10

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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.