Home / 85,834,881.30-128,752,321.95-37,335,969.30

Finding the Fourth Proportional to 85,834,881.30, 128,752,321.95 and 37,335,969.30

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Solution

The fourth proportional to 85,834,881.30, 128,752,321.95 and 37,335,969.30 is: 56,003,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,834,881.30 : 128,752,321.95 = 37,335,969.30 : x
  2. Step 2: Convert to fraction form
    85,834,881.30/128,752,321.95 = 37,335,969.30/x
  3. Step 3: Cross multiply
    85,834,881.30x = 128,752,321.95 × 37,335,969.30
  4. Step 4: Simplify right side
    85,834,881.30x = 4,807,092,739,628,916
  5. Step 5: Solve for x
    x = 4,807,092,739,628,916/85,834,881.30
  6. Step 6: Final answer
    x = 56,003,953.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.