Home / 374,113,843.07-561,031,195.73-128,400,751.71

Finding the Fourth Proportional to 374,113,843.07, 561,031,195.73 and 128,400,751.71

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Solution

The fourth proportional to 374,113,843.07, 561,031,195.73 and 128,400,751.71 is: 192,553,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,113,843.07 : 561,031,195.73 = 128,400,751.71 : x
  2. Step 2: Convert to fraction form
    374,113,843.07/561,031,195.73 = 128,400,751.71/x
  3. Step 3: Cross multiply
    374,113,843.07x = 561,031,195.73 × 128,400,751.71
  4. Step 4: Simplify right side
    374,113,843.07x = 72,036,827,263,850,136
  5. Step 5: Solve for x
    x = 72,036,827,263,850,136/374,113,843.07
  6. Step 6: Final answer
    x = 192,553,225.71

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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.