Home / 103,388,886.88-142,670,253.36-56,976,547.84

Finding the Fourth Proportional to 103,388,886.88, 142,670,253.36 and 56,976,547.84

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Solution

The fourth proportional to 103,388,886.88, 142,670,253.36 and 56,976,547.84 is: 78,624,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,388,886.88 : 142,670,253.36 = 56,976,547.84 : x
  2. Step 2: Convert to fraction form
    103,388,886.88/142,670,253.36 = 56,976,547.84/x
  3. Step 3: Cross multiply
    103,388,886.88x = 142,670,253.36 × 56,976,547.84
  4. Step 4: Simplify right side
    103,388,886.88x = 8,128,858,515,910,962
  5. Step 5: Solve for x
    x = 8,128,858,515,910,962/103,388,886.88
  6. Step 6: Final answer
    x = 78,624,103.24

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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.