Home / 61,837,826.15-85,369,330.69-47,678,086.62

Finding the Fourth Proportional to 61,837,826.15, 85,369,330.69 and 47,678,086.62

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Solution

The fourth proportional to 61,837,826.15, 85,369,330.69 and 47,678,086.62 is: 65,821,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,837,826.15 : 85,369,330.69 = 47,678,086.62 : x
  2. Step 2: Convert to fraction form
    61,837,826.15/85,369,330.69 = 47,678,086.62/x
  3. Step 3: Cross multiply
    61,837,826.15x = 85,369,330.69 × 47,678,086.62
  4. Step 4: Simplify right side
    61,837,826.15x = 4,070,246,343,210,049
  5. Step 5: Solve for x
    x = 4,070,246,343,210,049/61,837,826.15
  6. Step 6: Final answer
    x = 65,821,303.83

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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.