Home / 85,716,037.40-118,289,090.16-50,441,641.03

Finding the Fourth Proportional to 85,716,037.40, 118,289,090.16 and 50,441,641.03

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Solution

The fourth proportional to 85,716,037.40, 118,289,090.16 and 50,441,641.03 is: 69,610,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,716,037.40 : 118,289,090.16 = 50,441,641.03 : x
  2. Step 2: Convert to fraction form
    85,716,037.40/118,289,090.16 = 50,441,641.03/x
  3. Step 3: Cross multiply
    85,716,037.40x = 118,289,090.16 × 50,441,641.03
  4. Step 4: Simplify right side
    85,716,037.40x = 5,966,695,823,024,579
  5. Step 5: Solve for x
    x = 5,966,695,823,024,579/85,716,037.40
  6. Step 6: Final answer
    x = 69,610,028.69

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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.