Home / 228,313,075.96-314,554,927.80-217,429,164.28

Finding the Fourth Proportional to 228,313,075.96, 314,554,927.80 and 217,429,164.28

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Solution

The fourth proportional to 228,313,075.96, 314,554,927.80 and 217,429,164.28 is: 299,559,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,313,075.96 : 314,554,927.80 = 217,429,164.28 : x
  2. Step 2: Convert to fraction form
    228,313,075.96/314,554,927.80 = 217,429,164.28/x
  3. Step 3: Cross multiply
    228,313,075.96x = 314,554,927.80 × 217,429,164.28
  4. Step 4: Simplify right side
    228,313,075.96x = 68,393,415,071,709,744
  5. Step 5: Solve for x
    x = 68,393,415,071,709,744/228,313,075.96
  6. Step 6: Final answer
    x = 299,559,781.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.