Home / 220,837,307.04-304,824,513.60-142,521,012

Finding the Fourth Proportional to 220,837,307.04, 304,824,513.60 and 142,521,012

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Solution

The fourth proportional to 220,837,307.04, 304,824,513.60 and 142,521,012 is: 196,723,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,837,307.04 : 304,824,513.60 = 142,521,012 : x
  2. Step 2: Convert to fraction form
    220,837,307.04/304,824,513.60 = 142,521,012/x
  3. Step 3: Cross multiply
    220,837,307.04x = 304,824,513.60 × 142,521,012
  4. Step 4: Simplify right side
    220,837,307.04x = 43,443,898,160,679,768
  5. Step 5: Solve for x
    x = 43,443,898,160,679,768/220,837,307.04
  6. Step 6: Final answer
    x = 196,723,546.14

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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.