Home / 145,334,409.57-200,557,014.93-82,617,358.59

Finding the Fourth Proportional to 145,334,409.57, 200,557,014.93 and 82,617,358.59

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Solution

The fourth proportional to 145,334,409.57, 200,557,014.93 and 82,617,358.59 is: 114,009,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,334,409.57 : 200,557,014.93 = 82,617,358.59 : x
  2. Step 2: Convert to fraction form
    145,334,409.57/200,557,014.93 = 82,617,358.59/x
  3. Step 3: Cross multiply
    145,334,409.57x = 200,557,014.93 × 82,617,358.59
  4. Step 4: Simplify right side
    145,334,409.57x = 16,569,490,820,211,796
  5. Step 5: Solve for x
    x = 16,569,490,820,211,796/145,334,409.57
  6. Step 6: Final answer
    x = 114,009,413.66

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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.