Home / 374,349,870.28-561,575,905.32-155,949,137.36

Finding the Fourth Proportional to 374,349,870.28, 561,575,905.32 and 155,949,137.36

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Solution

The fourth proportional to 374,349,870.28, 561,575,905.32 and 155,949,137.36 is: 233,944,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,349,870.28 : 561,575,905.32 = 155,949,137.36 : x
  2. Step 2: Convert to fraction form
    374,349,870.28/561,575,905.32 = 155,949,137.36/x
  3. Step 3: Cross multiply
    374,349,870.28x = 561,575,905.32 × 155,949,137.36
  4. Step 4: Simplify right side
    374,349,870.28x = 87,577,277,996,815,056
  5. Step 5: Solve for x
    x = 87,577,277,996,815,056/374,349,870.28
  6. Step 6: Final answer
    x = 233,944,993.57

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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.