Home / 56,669,197,752.50-78,203,522,586.14-30,948,829,782.26

Finding the Fourth Proportional to 56,669,197,752.50, 78,203,522,586.14 and 30,948,829,782.26

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Solution

The fourth proportional to 56,669,197,752.50, 78,203,522,586.14 and 30,948,829,782.26 is: 42,709,401,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,669,197,752.50 : 78,203,522,586.14 = 30,948,829,782.26 : x
  2. Step 2: Convert to fraction form
    56,669,197,752.50/78,203,522,586.14 = 30,948,829,782.26/x
  3. Step 3: Cross multiply
    56,669,197,752.50x = 78,203,522,586.14 × 30,948,829,782.26
  4. Step 4: Simplify right side
    56,669,197,752.50x = 2,420,307,508,891,572,240,384
  5. Step 5: Solve for x
    x = 2,420,307,508,891,572,240,384/56,669,197,752.50
  6. Step 6: Final answer
    x = 42,709,401,312.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.