Home / 47,220,205.80-70,830,308.70-16,931,130.60

Finding the Fourth Proportional to 47,220,205.80, 70,830,308.70 and 16,931,130.60

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Solution

The fourth proportional to 47,220,205.80, 70,830,308.70 and 16,931,130.60 is: 25,396,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,220,205.80 : 70,830,308.70 = 16,931,130.60 : x
  2. Step 2: Convert to fraction form
    47,220,205.80/70,830,308.70 = 16,931,130.60/x
  3. Step 3: Cross multiply
    47,220,205.80x = 70,830,308.70 × 16,931,130.60
  4. Step 4: Simplify right side
    47,220,205.80x = 1,199,237,207,038,016.50
  5. Step 5: Solve for x
    x = 1,199,237,207,038,016.50/47,220,205.80
  6. Step 6: Final answer
    x = 25,396,695.90

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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.