Home / 109,157,045.20-163,735,567.80-100,228,836.40

Finding the Fourth Proportional to 109,157,045.20, 163,735,567.80 and 100,228,836.40

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Solution

The fourth proportional to 109,157,045.20, 163,735,567.80 and 100,228,836.40 is: 150,343,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,157,045.20 : 163,735,567.80 = 100,228,836.40 : x
  2. Step 2: Convert to fraction form
    109,157,045.20/163,735,567.80 = 100,228,836.40/x
  3. Step 3: Cross multiply
    109,157,045.20x = 163,735,567.80 × 100,228,836.40
  4. Step 4: Simplify right side
    109,157,045.20x = 16,411,025,437,887,310
  5. Step 5: Solve for x
    x = 16,411,025,437,887,310/109,157,045.20
  6. Step 6: Final answer
    x = 150,343,254.60

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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.