Home / 103,958,821.59-143,464,307.54-57,549,850.53

Finding the Fourth Proportional to 103,958,821.59, 143,464,307.54 and 57,549,850.53

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Solution

The fourth proportional to 103,958,821.59, 143,464,307.54 and 57,549,850.53 is: 79,419,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958,821.59 : 143,464,307.54 = 57,549,850.53 : x
  2. Step 2: Convert to fraction form
    103,958,821.59/143,464,307.54 = 57,549,850.53/x
  3. Step 3: Cross multiply
    103,958,821.59x = 143,464,307.54 × 57,549,850.53
  4. Step 4: Simplify right side
    103,958,821.59x = 8,256,349,455,029,203
  5. Step 5: Solve for x
    x = 8,256,349,455,029,203/103,958,821.59
  6. Step 6: Final answer
    x = 79,419,421.35

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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.