Home / 71,700,251,193.71-98,955,023,109.57-40,808,047,011.80

Finding the Fourth Proportional to 71,700,251,193.71, 98,955,023,109.57 and 40,808,047,011.80

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Solution

The fourth proportional to 71,700,251,193.71, 98,955,023,109.57 and 40,808,047,011.80 is: 56,320,043,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,700,251,193.71 : 98,955,023,109.57 = 40,808,047,011.80 : x
  2. Step 2: Convert to fraction form
    71,700,251,193.71/98,955,023,109.57 = 40,808,047,011.80/x
  3. Step 3: Cross multiply
    71,700,251,193.71x = 98,955,023,109.57 × 40,808,047,011.80
  4. Step 4: Simplify right side
    71,700,251,193.71x = 4,038,161,235,108,593,401,856
  5. Step 5: Solve for x
    x = 4,038,161,235,108,593,401,856/71,700,251,193.71
  6. Step 6: Final answer
    x = 56,320,043,066.50

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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.