Home / 245,987,457.29-369,074,376.74-147,687,810.60

Finding the Fourth Proportional to 245,987,457.29, 369,074,376.74 and 147,687,810.60

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Solution

The fourth proportional to 245,987,457.29, 369,074,376.74 and 147,687,810.60 is: 221,587,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,987,457.29 : 369,074,376.74 = 147,687,810.60 : x
  2. Step 2: Convert to fraction form
    245,987,457.29/369,074,376.74 = 147,687,810.60/x
  3. Step 3: Cross multiply
    245,987,457.29x = 369,074,376.74 × 147,687,810.60
  4. Step 4: Simplify right side
    245,987,457.29x = 54,507,786,649,290,168
  5. Step 5: Solve for x
    x = 54,507,786,649,290,168/245,987,457.29
  6. Step 6: Final answer
    x = 221,587,666.50

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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.