Home / 99,143,648,063.38-148,744,649,700.65-31,989,633,326.96

Finding the Fourth Proportional to 99,143,648,063.38, 148,744,649,700.65 and 31,989,633,326.96

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Solution

The fourth proportional to 99,143,648,063.38, 148,744,649,700.65 and 31,989,633,326.96 is: 47,993,864,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,648,063.38 : 148,744,649,700.65 = 31,989,633,326.96 : x
  2. Step 2: Convert to fraction form
    99,143,648,063.38/148,744,649,700.65 = 31,989,633,326.96/x
  3. Step 3: Cross multiply
    99,143,648,063.38x = 148,744,649,700.65 × 31,989,633,326.96
  4. Step 4: Simplify right side
    99,143,648,063.38x = 4,758,286,803,270,160,613,376
  5. Step 5: Solve for x
    x = 4,758,286,803,270,160,613,376/99,143,648,063.38
  6. Step 6: Final answer
    x = 47,993,864,420.12

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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.