Home / 230,919,931.20-318,414,133.44-147,155,368.80

Finding the Fourth Proportional to 230,919,931.20, 318,414,133.44 and 147,155,368.80

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Solution

The fourth proportional to 230,919,931.20, 318,414,133.44 and 147,155,368.80 is: 202,911,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,919,931.20 : 318,414,133.44 = 147,155,368.80 : x
  2. Step 2: Convert to fraction form
    230,919,931.20/318,414,133.44 = 147,155,368.80/x
  3. Step 3: Cross multiply
    230,919,931.20x = 318,414,133.44 × 147,155,368.80
  4. Step 4: Simplify right side
    230,919,931.20x = 46,856,349,237,495,616
  5. Step 5: Solve for x
    x = 46,856,349,237,495,616/230,919,931.20
  6. Step 6: Final answer
    x = 202,911,671.57

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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.