Home / 103,618,747.76-142,942,250.01-61,773,327.41

Finding the Fourth Proportional to 103,618,747.76, 142,942,250.01 and 61,773,327.41

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Solution

The fourth proportional to 103,618,747.76, 142,942,250.01 and 61,773,327.41 is: 85,216,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,618,747.76 : 142,942,250.01 = 61,773,327.41 : x
  2. Step 2: Convert to fraction form
    103,618,747.76/142,942,250.01 = 61,773,327.41/x
  3. Step 3: Cross multiply
    103,618,747.76x = 142,942,250.01 × 61,773,327.41
  4. Step 4: Simplify right side
    103,618,747.76x = 8,830,018,409,875,094
  5. Step 5: Solve for x
    x = 8,830,018,409,875,094/103,618,747.76
  6. Step 6: Final answer
    x = 85,216,416.92

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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.