Home / 103,517,333.80-155,276,000.70-49,636,911.40

Finding the Fourth Proportional to 103,517,333.80, 155,276,000.70 and 49,636,911.40

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Solution

The fourth proportional to 103,517,333.80, 155,276,000.70 and 49,636,911.40 is: 74,455,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,333.80 : 155,276,000.70 = 49,636,911.40 : x
  2. Step 2: Convert to fraction form
    103,517,333.80/155,276,000.70 = 49,636,911.40/x
  3. Step 3: Cross multiply
    103,517,333.80x = 155,276,000.70 × 49,636,911.40
  4. Step 4: Simplify right side
    103,517,333.80x = 7,707,421,089,292,237
  5. Step 5: Solve for x
    x = 7,707,421,089,292,237/103,517,333.80
  6. Step 6: Final answer
    x = 74,455,367.10

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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.