Home / 77,841,849.63-107,417,145.02-43,032,464.13

Finding the Fourth Proportional to 77,841,849.63, 107,417,145.02 and 43,032,464.13

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Solution

The fourth proportional to 77,841,849.63, 107,417,145.02 and 43,032,464.13 is: 59,382,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,841,849.63 : 107,417,145.02 = 43,032,464.13 : x
  2. Step 2: Convert to fraction form
    77,841,849.63/107,417,145.02 = 43,032,464.13/x
  3. Step 3: Cross multiply
    77,841,849.63x = 107,417,145.02 × 43,032,464.13
  4. Step 4: Simplify right side
    77,841,849.63x = 4,622,424,439,804,996
  5. Step 5: Solve for x
    x = 4,622,424,439,804,996/77,841,849.63
  6. Step 6: Final answer
    x = 59,382,253.40

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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.