Home / 39,142,457.40-58,713,686.10-31,080,300.60

Finding the Fourth Proportional to 39,142,457.40, 58,713,686.10 and 31,080,300.60

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Solution

The fourth proportional to 39,142,457.40, 58,713,686.10 and 31,080,300.60 is: 46,620,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142,457.40 : 58,713,686.10 = 31,080,300.60 : x
  2. Step 2: Convert to fraction form
    39,142,457.40/58,713,686.10 = 31,080,300.60/x
  3. Step 3: Cross multiply
    39,142,457.40x = 58,713,686.10 × 31,080,300.60
  4. Step 4: Simplify right side
    39,142,457.40x = 1,824,839,013,322,041.75
  5. Step 5: Solve for x
    x = 1,824,839,013,322,041.75/39,142,457.40
  6. Step 6: Final answer
    x = 46,620,450.90

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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.