Home / 46,764,946.90-70,147,420.35-21,255,778.90

Finding the Fourth Proportional to 46,764,946.90, 70,147,420.35 and 21,255,778.90

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Solution

The fourth proportional to 46,764,946.90, 70,147,420.35 and 21,255,778.90 is: 31,883,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,764,946.90 : 70,147,420.35 = 21,255,778.90 : x
  2. Step 2: Convert to fraction form
    46,764,946.90/70,147,420.35 = 21,255,778.90/x
  3. Step 3: Cross multiply
    46,764,946.90x = 70,147,420.35 × 21,255,778.90
  4. Step 4: Simplify right side
    46,764,946.90x = 1,491,038,057,364,960.50
  5. Step 5: Solve for x
    x = 1,491,038,057,364,960.50/46,764,946.90
  6. Step 6: Final answer
    x = 31,883,668.35

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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.