Home / 61,837,828.36-85,369,333.78-47,678,088.86

Finding the Fourth Proportional to 61,837,828.36, 85,369,333.78 and 47,678,088.86

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Solution

The fourth proportional to 61,837,828.36, 85,369,333.78 and 47,678,088.86 is: 65,821,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,837,828.36 : 85,369,333.78 = 47,678,088.86 : x
  2. Step 2: Convert to fraction form
    61,837,828.36/85,369,333.78 = 47,678,088.86/x
  3. Step 3: Cross multiply
    61,837,828.36x = 85,369,333.78 × 47,678,088.86
  4. Step 4: Simplify right side
    61,837,828.36x = 4,070,246,681,881,839.50
  5. Step 5: Solve for x
    x = 4,070,246,681,881,839.50/61,837,828.36
  6. Step 6: Final answer
    x = 65,821,306.95

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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.