Home / 60,515,413.80-90,301,128-53,993,663.16

Finding the Fourth Proportional to 60,515,413.80, 90,301,128 and 53,993,663.16

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Solution

The fourth proportional to 60,515,413.80, 90,301,128 and 53,993,663.16 is: 80,569,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515,413.80 : 90,301,128 = 53,993,663.16 : x
  2. Step 2: Convert to fraction form
    60,515,413.80/90,301,128 = 53,993,663.16/x
  3. Step 3: Cross multiply
    60,515,413.80x = 90,301,128 × 53,993,663.16
  4. Step 4: Simplify right side
    60,515,413.80x = 4,875,688,688,200,044
  5. Step 5: Solve for x
    x = 4,875,688,688,200,044/60,515,413.80
  6. Step 6: Final answer
    x = 80,569,368.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.