Home / 105,527,857.65-145,628,457.38-58,487,968.05

Finding the Fourth Proportional to 105,527,857.65, 145,628,457.38 and 58,487,968.05

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Solution

The fourth proportional to 105,527,857.65, 145,628,457.38 and 58,487,968.05 is: 80,713,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,527,857.65 : 145,628,457.38 = 58,487,968.05 : x
  2. Step 2: Convert to fraction form
    105,527,857.65/145,628,457.38 = 58,487,968.05/x
  3. Step 3: Cross multiply
    105,527,857.65x = 145,628,457.38 × 58,487,968.05
  4. Step 4: Simplify right side
    105,527,857.65x = 8,517,512,562,119,786
  5. Step 5: Solve for x
    x = 8,517,512,562,119,786/105,527,857.65
  6. Step 6: Final answer
    x = 80,713,403.57

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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.