Home / 432,721,447.81-649,142,795.35-141,611,452.45

Finding the Fourth Proportional to 432,721,447.81, 649,142,795.35 and 141,611,452.45

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Solution

The fourth proportional to 432,721,447.81, 649,142,795.35 and 141,611,452.45 is: 212,437,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,721,447.81 : 649,142,795.35 = 141,611,452.45 : x
  2. Step 2: Convert to fraction form
    432,721,447.81/649,142,795.35 = 141,611,452.45/x
  3. Step 3: Cross multiply
    432,721,447.81x = 649,142,795.35 × 141,611,452.45
  4. Step 4: Simplify right side
    432,721,447.81x = 91,926,054,095,520,768
  5. Step 5: Solve for x
    x = 91,926,054,095,520,768/432,721,447.81
  6. Step 6: Final answer
    x = 212,437,018.23

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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.