Home / 363,763,127.28-545,636,812.72-101,440,678.89

Finding the Fourth Proportional to 363,763,127.28, 545,636,812.72 and 101,440,678.89

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Solution

The fourth proportional to 363,763,127.28, 545,636,812.72 and 101,440,678.89 is: 152,158,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,763,127.28 : 545,636,812.72 = 101,440,678.89 : x
  2. Step 2: Convert to fraction form
    363,763,127.28/545,636,812.72 = 101,440,678.89/x
  3. Step 3: Cross multiply
    363,763,127.28x = 545,636,812.72 × 101,440,678.89
  4. Step 4: Simplify right side
    363,763,127.28x = 55,349,768,709,692,592
  5. Step 5: Solve for x
    x = 55,349,768,709,692,592/363,763,127.28
  6. Step 6: Final answer
    x = 152,158,821.38

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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.