Home / 103,573,017.77-142,930,060.38-57,163,270.32

Finding the Fourth Proportional to 103,573,017.77, 142,930,060.38 and 57,163,270.32

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Solution

The fourth proportional to 103,573,017.77, 142,930,060.38 and 57,163,270.32 is: 78,884,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,573,017.77 : 142,930,060.38 = 57,163,270.32 : x
  2. Step 2: Convert to fraction form
    103,573,017.77/142,930,060.38 = 57,163,270.32/x
  3. Step 3: Cross multiply
    103,573,017.77x = 142,930,060.38 × 57,163,270.32
  4. Step 4: Simplify right side
    103,573,017.77x = 8,170,349,678,355,862
  5. Step 5: Solve for x
    x = 8,170,349,678,355,862/103,573,017.77
  6. Step 6: Final answer
    x = 78,884,924.42

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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.