Home / 212,018,831.91-318,035,333.70-58,652,045.19

Finding the Fourth Proportional to 212,018,831.91, 318,035,333.70 and 58,652,045.19

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Solution

The fourth proportional to 212,018,831.91, 318,035,333.70 and 58,652,045.19 is: 87,980,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,018,831.91 : 318,035,333.70 = 58,652,045.19 : x
  2. Step 2: Convert to fraction form
    212,018,831.91/318,035,333.70 = 58,652,045.19/x
  3. Step 3: Cross multiply
    212,018,831.91x = 318,035,333.70 × 58,652,045.19
  4. Step 4: Simplify right side
    212,018,831.91x = 18,653,422,764,189,128
  5. Step 5: Solve for x
    x = 18,653,422,764,189,128/212,018,831.91
  6. Step 6: Final answer
    x = 87,980,027.98

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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.