Home / 145,824,139.70-218,736,209.55-143,556,658.10

Finding the Fourth Proportional to 145,824,139.70, 218,736,209.55 and 143,556,658.10

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Solution

The fourth proportional to 145,824,139.70, 218,736,209.55 and 143,556,658.10 is: 215,334,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,824,139.70 : 218,736,209.55 = 143,556,658.10 : x
  2. Step 2: Convert to fraction form
    145,824,139.70/218,736,209.55 = 143,556,658.10/x
  3. Step 3: Cross multiply
    145,824,139.70x = 218,736,209.55 × 143,556,658.10
  4. Step 4: Simplify right side
    145,824,139.70x = 31,401,039,248,459,304
  5. Step 5: Solve for x
    x = 31,401,039,248,459,304/145,824,139.70
  6. Step 6: Final answer
    x = 215,334,987.15

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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.