Home / 309,019,041.71-463,528,729.03-114,905,234.35

Finding the Fourth Proportional to 309,019,041.71, 463,528,729.03 and 114,905,234.35

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Solution

The fourth proportional to 309,019,041.71, 463,528,729.03 and 114,905,234.35 is: 172,357,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,019,041.71 : 463,528,729.03 = 114,905,234.35 : x
  2. Step 2: Convert to fraction form
    309,019,041.71/463,528,729.03 = 114,905,234.35/x
  3. Step 3: Cross multiply
    309,019,041.71x = 463,528,729.03 × 114,905,234.35
  4. Step 4: Simplify right side
    309,019,041.71x = 53,261,877,237,149,792
  5. Step 5: Solve for x
    x = 53,261,877,237,149,792/309,019,041.71
  6. Step 6: Final answer
    x = 172,357,913.42

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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.