Home / 30,154,408,020.90-45,231,612,031.35-8,071,440,147.90

Finding the Fourth Proportional to 30,154,408,020.90, 45,231,612,031.35 and 8,071,440,147.90

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Solution

The fourth proportional to 30,154,408,020.90, 45,231,612,031.35 and 8,071,440,147.90 is: 12,107,160,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154,408,020.90 : 45,231,612,031.35 = 8,071,440,147.90 : x
  2. Step 2: Convert to fraction form
    30,154,408,020.90/45,231,612,031.35 = 8,071,440,147.90/x
  3. Step 3: Cross multiply
    30,154,408,020.90x = 45,231,612,031.35 × 8,071,440,147.90
  4. Step 4: Simplify right side
    30,154,408,020.90x = 365,084,249,304,075,010,048
  5. Step 5: Solve for x
    x = 365,084,249,304,075,010,048/30,154,408,020.90
  6. Step 6: Final answer
    x = 12,107,160,221.85

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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.