Home / 74,655,576-103,024,696.32-40,316,760

Finding the Fourth Proportional to 74,655,576, 103,024,696.32 and 40,316,760

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Solution

The fourth proportional to 74,655,576, 103,024,696.32 and 40,316,760 is: 55,637,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,655,576 : 103,024,696.32 = 40,316,760 : x
  2. Step 2: Convert to fraction form
    74,655,576/103,024,696.32 = 40,316,760/x
  3. Step 3: Cross multiply
    74,655,576x = 103,024,696.32 × 40,316,760
  4. Step 4: Simplify right side
    74,655,576x = 4,153,621,955,606,323
  5. Step 5: Solve for x
    x = 4,153,621,955,606,323/74,655,576
  6. Step 6: Final answer
    x = 55,637,129.58

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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.