Home / 61,837,831.39-85,369,337.89-47,678,091.84

Finding the Fourth Proportional to 61,837,831.39, 85,369,337.89 and 47,678,091.84

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Solution

The fourth proportional to 61,837,831.39, 85,369,337.89 and 47,678,091.84 is: 65,821,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,837,831.39 : 85,369,337.89 = 47,678,091.84 : x
  2. Step 2: Convert to fraction form
    61,837,831.39/85,369,337.89 = 47,678,091.84/x
  3. Step 3: Cross multiply
    61,837,831.39x = 85,369,337.89 × 47,678,091.84
  4. Step 4: Simplify right side
    61,837,831.39x = 4,070,247,132,239,412
  5. Step 5: Solve for x
    x = 4,070,247,132,239,412/61,837,831.39
  6. Step 6: Final answer
    x = 65,821,311.01

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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.