Home / 317,953,205.20-476,929,807.80-99,621,787.60

Finding the Fourth Proportional to 317,953,205.20, 476,929,807.80 and 99,621,787.60

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Solution

The fourth proportional to 317,953,205.20, 476,929,807.80 and 99,621,787.60 is: 149,432,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,953,205.20 : 476,929,807.80 = 99,621,787.60 : x
  2. Step 2: Convert to fraction form
    317,953,205.20/476,929,807.80 = 99,621,787.60/x
  3. Step 3: Cross multiply
    317,953,205.20x = 476,929,807.80 × 99,621,787.60
  4. Step 4: Simplify right side
    317,953,205.20x = 47,512,600,012,760,424
  5. Step 5: Solve for x
    x = 47,512,600,012,760,424/317,953,205.20
  6. Step 6: Final answer
    x = 149,432,681.40

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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.