Home / 317,023,665.40-437,495,827.22-177,791,437.81

Finding the Fourth Proportional to 317,023,665.40, 437,495,827.22 and 177,791,437.81

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Solution

The fourth proportional to 317,023,665.40, 437,495,827.22 and 177,791,437.81 is: 245,353,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,023,665.40 : 437,495,827.22 = 177,791,437.81 : x
  2. Step 2: Convert to fraction form
    317,023,665.40/437,495,827.22 = 177,791,437.81/x
  3. Step 3: Cross multiply
    317,023,665.40x = 437,495,827.22 × 177,791,437.81
  4. Step 4: Simplify right side
    317,023,665.40x = 77,783,012,157,319,136
  5. Step 5: Solve for x
    x = 77,783,012,157,319,136/317,023,665.40
  6. Step 6: Final answer
    x = 245,353,961.38

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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.