Home / 103,820,267.28-143,272,897.16-57,413,643.60

Finding the Fourth Proportional to 103,820,267.28, 143,272,897.16 and 57,413,643.60

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Solution

The fourth proportional to 103,820,267.28, 143,272,897.16 and 57,413,643.60 is: 79,231,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,820,267.28 : 143,272,897.16 = 57,413,643.60 : x
  2. Step 2: Convert to fraction form
    103,820,267.28/143,272,897.16 = 57,413,643.60/x
  3. Step 3: Cross multiply
    103,820,267.28x = 143,272,897.16 × 57,413,643.60
  4. Step 4: Simplify right side
    103,820,267.28x = 8,225,819,055,083,692
  5. Step 5: Solve for x
    x = 8,225,819,055,083,692/103,820,267.28
  6. Step 6: Final answer
    x = 79,231,341.53

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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.