Home / 47,307,511.80-70,961,267.70-42,520,606.20

Finding the Fourth Proportional to 47,307,511.80, 70,961,267.70 and 42,520,606.20

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Solution

The fourth proportional to 47,307,511.80, 70,961,267.70 and 42,520,606.20 is: 63,780,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,307,511.80 : 70,961,267.70 = 42,520,606.20 : x
  2. Step 2: Convert to fraction form
    47,307,511.80/70,961,267.70 = 42,520,606.20/x
  3. Step 3: Cross multiply
    47,307,511.80x = 70,961,267.70 × 42,520,606.20
  4. Step 4: Simplify right side
    47,307,511.80x = 3,017,316,119,324,480
  5. Step 5: Solve for x
    x = 3,017,316,119,324,480/47,307,511.80
  6. Step 6: Final answer
    x = 63,780,909.30

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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.