Home / 31,281,457.80-46,922,186.70-30,005,999.40

Finding the Fourth Proportional to 31,281,457.80, 46,922,186.70 and 30,005,999.40

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Solution

The fourth proportional to 31,281,457.80, 46,922,186.70 and 30,005,999.40 is: 45,008,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281,457.80 : 46,922,186.70 = 30,005,999.40 : x
  2. Step 2: Convert to fraction form
    31,281,457.80/46,922,186.70 = 30,005,999.40/x
  3. Step 3: Cross multiply
    31,281,457.80x = 46,922,186.70 × 30,005,999.40
  4. Step 4: Simplify right side
    31,281,457.80x = 1,407,947,105,966,888
  5. Step 5: Solve for x
    x = 1,407,947,105,966,888/31,281,457.80
  6. Step 6: Final answer
    x = 45,008,999.10

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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.