Home / 85,716,036.90-118,289,089.47-50,441,640.53

Finding the Fourth Proportional to 85,716,036.90, 118,289,089.47 and 50,441,640.53

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Solution

The fourth proportional to 85,716,036.90, 118,289,089.47 and 50,441,640.53 is: 69,610,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,716,036.90 : 118,289,089.47 = 50,441,640.53 : x
  2. Step 2: Convert to fraction form
    85,716,036.90/118,289,089.47 = 50,441,640.53/x
  3. Step 3: Cross multiply
    85,716,036.90x = 118,289,089.47 × 50,441,640.53
  4. Step 4: Simplify right side
    85,716,036.90x = 5,966,695,729,075,303
  5. Step 5: Solve for x
    x = 5,966,695,729,075,303/85,716,036.90
  6. Step 6: Final answer
    x = 69,610,028.00

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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.