Home / 285,088,153.35-427,695,215.63-103,330,607.43

Finding the Fourth Proportional to 285,088,153.35, 427,695,215.63 and 103,330,607.43

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Solution

The fourth proportional to 285,088,153.35, 427,695,215.63 and 103,330,607.43 is: 155,018,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,088,153.35 : 427,695,215.63 = 103,330,607.43 : x
  2. Step 2: Convert to fraction form
    285,088,153.35/427,695,215.63 = 103,330,607.43/x
  3. Step 3: Cross multiply
    285,088,153.35x = 427,695,215.63 × 103,330,607.43
  4. Step 4: Simplify right side
    285,088,153.35x = 44,194,006,425,952,736
  5. Step 5: Solve for x
    x = 44,194,006,425,952,736/285,088,153.35
  6. Step 6: Final answer
    x = 155,018,740.37

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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.