Home / 374,112,004.59-561,197,925.05-128,369,749.59

Finding the Fourth Proportional to 374,112,004.59, 561,197,925.05 and 128,369,749.59

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Solution

The fourth proportional to 374,112,004.59, 561,197,925.05 and 128,369,749.59 is: 192,564,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,112,004.59 : 561,197,925.05 = 128,369,749.59 : x
  2. Step 2: Convert to fraction form
    374,112,004.59/561,197,925.05 = 128,369,749.59/x
  3. Step 3: Cross multiply
    374,112,004.59x = 561,197,925.05 × 128,369,749.59
  4. Step 4: Simplify right side
    374,112,004.59x = 72,040,837,108,454,232
  5. Step 5: Solve for x
    x = 72,040,837,108,454,232/374,112,004.59
  6. Step 6: Final answer
    x = 192,564,890.26

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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.