Home / 61,837,827.36-85,369,332.40-47,678,087.86

Finding the Fourth Proportional to 61,837,827.36, 85,369,332.40 and 47,678,087.86

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Solution

The fourth proportional to 61,837,827.36, 85,369,332.40 and 47,678,087.86 is: 65,821,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,837,827.36 : 85,369,332.40 = 47,678,087.86 : x
  2. Step 2: Convert to fraction form
    61,837,827.36/85,369,332.40 = 47,678,087.86/x
  3. Step 3: Cross multiply
    61,837,827.36x = 85,369,332.40 × 47,678,087.86
  4. Step 4: Simplify right side
    61,837,827.36x = 4,070,246,530,716,745
  5. Step 5: Solve for x
    x = 4,070,246,530,716,745/61,837,827.36
  6. Step 6: Final answer
    x = 65,821,305.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.