Home / 99,143,648,063.88-148,744,649,701.40-31,989,633,327.46

Finding the Fourth Proportional to 99,143,648,063.88, 148,744,649,701.40 and 31,989,633,327.46

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Solution

The fourth proportional to 99,143,648,063.88, 148,744,649,701.40 and 31,989,633,327.46 is: 47,993,864,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,648,063.88 : 148,744,649,701.40 = 31,989,633,327.46 : x
  2. Step 2: Convert to fraction form
    99,143,648,063.88/148,744,649,701.40 = 31,989,633,327.46/x
  3. Step 3: Cross multiply
    99,143,648,063.88x = 148,744,649,701.40 × 31,989,633,327.46
  4. Step 4: Simplify right side
    99,143,648,063.88x = 4,758,286,803,368,525,430,784
  5. Step 5: Solve for x
    x = 4,758,286,803,368,525,430,784/99,143,648,063.88
  6. Step 6: Final answer
    x = 47,993,864,420.87

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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.