Home / 314,972,977.86-472,700,613.51-142,570,862.82

Finding the Fourth Proportional to 314,972,977.86, 472,700,613.51 and 142,570,862.82

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Solution

The fourth proportional to 314,972,977.86, 472,700,613.51 and 142,570,862.82 is: 213,965,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,972,977.86 : 472,700,613.51 = 142,570,862.82 : x
  2. Step 2: Convert to fraction form
    314,972,977.86/472,700,613.51 = 142,570,862.82/x
  3. Step 3: Cross multiply
    314,972,977.86x = 472,700,613.51 × 142,570,862.82
  4. Step 4: Simplify right side
    314,972,977.86x = 67,393,334,323,664,040
  5. Step 5: Solve for x
    x = 67,393,334,323,664,040/314,972,977.86
  6. Step 6: Final answer
    x = 213,965,448.03

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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.