Home / 200,123,545.34-276,155,413.92-121,798,442.16

Finding the Fourth Proportional to 200,123,545.34, 276,155,413.92 and 121,798,442.16

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Solution

The fourth proportional to 200,123,545.34, 276,155,413.92 and 121,798,442.16 is: 168,072,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,123,545.34 : 276,155,413.92 = 121,798,442.16 : x
  2. Step 2: Convert to fraction form
    200,123,545.34/276,155,413.92 = 121,798,442.16/x
  3. Step 3: Cross multiply
    200,123,545.34x = 276,155,413.92 × 121,798,442.16
  4. Step 4: Simplify right side
    200,123,545.34x = 33,635,299,208,689,092
  5. Step 5: Solve for x
    x = 33,635,299,208,689,092/200,123,545.34
  6. Step 6: Final answer
    x = 168,072,673.06

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1.5x scale

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.