Home / 295,219,334.81-442,657,679.67-139,771,837.78

Finding the Fourth Proportional to 295,219,334.81, 442,657,679.67 and 139,771,837.78

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Solution

The fourth proportional to 295,219,334.81, 442,657,679.67 and 139,771,837.78 is: 209,576,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,219,334.81 : 442,657,679.67 = 139,771,837.78 : x
  2. Step 2: Convert to fraction form
    295,219,334.81/442,657,679.67 = 139,771,837.78/x
  3. Step 3: Cross multiply
    295,219,334.81x = 442,657,679.67 × 139,771,837.78
  4. Step 4: Simplify right side
    295,219,334.81x = 61,871,077,393,799,800
  5. Step 5: Solve for x
    x = 61,871,077,393,799,800/295,219,334.81
  6. Step 6: Final answer
    x = 209,576,643.86

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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.