Home / 352,579,511.82-528,871,521.42-103,583,750.72

Finding the Fourth Proportional to 352,579,511.82, 528,871,521.42 and 103,583,750.72

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Solution

The fourth proportional to 352,579,511.82, 528,871,521.42 and 103,583,750.72 is: 155,376,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,579,511.82 : 528,871,521.42 = 103,583,750.72 : x
  2. Step 2: Convert to fraction form
    352,579,511.82/528,871,521.42 = 103,583,750.72/x
  3. Step 3: Cross multiply
    352,579,511.82x = 528,871,521.42 × 103,583,750.72
  4. Step 4: Simplify right side
    352,579,511.82x = 54,782,495,837,949,072
  5. Step 5: Solve for x
    x = 54,782,495,837,949,072/352,579,511.82
  6. Step 6: Final answer
    x = 155,376,288.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.