Home / 72,908,237.25-100,565,959.64-46,761,340.05

Finding the Fourth Proportional to 72,908,237.25, 100,565,959.64 and 46,761,340.05

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Solution

The fourth proportional to 72,908,237.25, 100,565,959.64 and 46,761,340.05 is: 64,500,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,908,237.25 : 100,565,959.64 = 46,761,340.05 : x
  2. Step 2: Convert to fraction form
    72,908,237.25/100,565,959.64 = 46,761,340.05/x
  3. Step 3: Cross multiply
    72,908,237.25x = 100,565,959.64 × 46,761,340.05
  4. Step 4: Simplify right side
    72,908,237.25x = 4,702,599,035,946,809
  5. Step 5: Solve for x
    x = 4,702,599,035,946,809/72,908,237.25
  6. Step 6: Final answer
    x = 64,500,243.23

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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.