Home / 98,273,671-135,617,284.38-54,223,411.48

Finding the Fourth Proportional to 98,273,671, 135,617,284.38 and 54,223,411.48

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Solution

The fourth proportional to 98,273,671, 135,617,284.38 and 54,223,411.48 is: 74,828,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,273,671 : 135,617,284.38 = 54,223,411.48 : x
  2. Step 2: Convert to fraction form
    98,273,671/135,617,284.38 = 54,223,411.48/x
  3. Step 3: Cross multiply
    98,273,671x = 135,617,284.38 × 54,223,411.48
  4. Step 4: Simplify right side
    98,273,671x = 7,353,631,814,736,916
  5. Step 5: Solve for x
    x = 7,353,631,814,736,916/98,273,671
  6. Step 6: Final answer
    x = 74,828,097.29

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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.