Home / 228,811,735.90-315,746,786.91-124,388,893.81

Finding the Fourth Proportional to 228,811,735.90, 315,746,786.91 and 124,388,893.81

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Solution

The fourth proportional to 228,811,735.90, 315,746,786.91 and 124,388,893.81 is: 171,649,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,811,735.90 : 315,746,786.91 = 124,388,893.81 : x
  2. Step 2: Convert to fraction form
    228,811,735.90/315,746,786.91 = 124,388,893.81/x
  3. Step 3: Cross multiply
    228,811,735.90x = 315,746,786.91 × 124,388,893.81
  4. Step 4: Simplify right side
    228,811,735.90x = 39,275,393,547,796,696
  5. Step 5: Solve for x
    x = 39,275,393,547,796,696/228,811,735.90
  6. Step 6: Final answer
    x = 171,649,384.12

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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.