Home / 292,653,831.81-438,938,017.16-85,336,532.58

Finding the Fourth Proportional to 292,653,831.81, 438,938,017.16 and 85,336,532.58

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Solution

The fourth proportional to 292,653,831.81, 438,938,017.16 and 85,336,532.58 is: 127,992,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,653,831.81 : 438,938,017.16 = 85,336,532.58 : x
  2. Step 2: Convert to fraction form
    292,653,831.81/438,938,017.16 = 85,336,532.58/x
  3. Step 3: Cross multiply
    292,653,831.81x = 438,938,017.16 × 85,336,532.58
  4. Step 4: Simplify right side
    292,653,831.81x = 37,457,448,401,548,256
  5. Step 5: Solve for x
    x = 37,457,448,401,548,256/292,653,831.81
  6. Step 6: Final answer
    x = 127,992,338.83

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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.