Home / 72,590,821.60-108,886,232.40-21,473,341.60

Finding the Fourth Proportional to 72,590,821.60, 108,886,232.40 and 21,473,341.60

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Solution

The fourth proportional to 72,590,821.60, 108,886,232.40 and 21,473,341.60 is: 32,210,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,590,821.60 : 108,886,232.40 = 21,473,341.60 : x
  2. Step 2: Convert to fraction form
    72,590,821.60/108,886,232.40 = 21,473,341.60/x
  3. Step 3: Cross multiply
    72,590,821.60x = 108,886,232.40 × 21,473,341.60
  4. Step 4: Simplify right side
    72,590,821.60x = 2,338,151,263,862,188
  5. Step 5: Solve for x
    x = 2,338,151,263,862,188/72,590,821.60
  6. Step 6: Final answer
    x = 32,210,012.40

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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.