Home / 85,342,491-117,771,641.28-46,183,361.76

Finding the Fourth Proportional to 85,342,491, 117,771,641.28 and 46,183,361.76

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Solution

The fourth proportional to 85,342,491, 117,771,641.28 and 46,183,361.76 is: 63,732,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,342,491 : 117,771,641.28 = 46,183,361.76 : x
  2. Step 2: Convert to fraction form
    85,342,491/117,771,641.28 = 46,183,361.76/x
  3. Step 3: Cross multiply
    85,342,491x = 117,771,641.28 × 46,183,361.76
  4. Step 4: Simplify right side
    85,342,491x = 5,439,090,314,303,189
  5. Step 5: Solve for x
    x = 5,439,090,314,303,189/85,342,491
  6. Step 6: Final answer
    x = 63,732,500.08

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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.