Home / 103,175,223.45-142,382,938.29-56,132,564.28

Finding the Fourth Proportional to 103,175,223.45, 142,382,938.29 and 56,132,564.28

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Solution

The fourth proportional to 103,175,223.45, 142,382,938.29 and 56,132,564.28 is: 77,463,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,175,223.45 : 142,382,938.29 = 56,132,564.28 : x
  2. Step 2: Convert to fraction form
    103,175,223.45/142,382,938.29 = 56,132,564.28/x
  3. Step 3: Cross multiply
    103,175,223.45x = 142,382,938.29 × 56,132,564.28
  4. Step 4: Simplify right side
    103,175,223.45x = 7,992,319,435,938,698
  5. Step 5: Solve for x
    x = 7,992,319,435,938,698/103,175,223.45
  6. Step 6: Final answer
    x = 77,463,553.45

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