Home / 47,077,667.20-70,616,500.80-41,220,006.40

Finding the Fourth Proportional to 47,077,667.20, 70,616,500.80 and 41,220,006.40

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Solution

The fourth proportional to 47,077,667.20, 70,616,500.80 and 41,220,006.40 is: 61,830,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,077,667.20 : 70,616,500.80 = 41,220,006.40 : x
  2. Step 2: Convert to fraction form
    47,077,667.20/70,616,500.80 = 41,220,006.40/x
  3. Step 3: Cross multiply
    47,077,667.20x = 70,616,500.80 × 41,220,006.40
  4. Step 4: Simplify right side
    47,077,667.20x = 2,910,812,614,921,605
  5. Step 5: Solve for x
    x = 2,910,812,614,921,605/47,077,667.20
  6. Step 6: Final answer
    x = 61,830,009.60

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1.5x scale

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.