Home / 103,635,288,085.45-155,452,938,426.74-25,118,068,981.45

Finding the Fourth Proportional to 103,635,288,085.45, 155,452,938,426.74 and 25,118,068,981.45

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Solution

The fourth proportional to 103,635,288,085.45, 155,452,938,426.74 and 25,118,068,981.45 is: 37,677,104,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635,288,085.45 : 155,452,938,426.74 = 25,118,068,981.45 : x
  2. Step 2: Convert to fraction form
    103,635,288,085.45/155,452,938,426.74 = 25,118,068,981.45/x
  3. Step 3: Cross multiply
    103,635,288,085.45x = 155,452,938,426.74 × 25,118,068,981.45
  4. Step 4: Simplify right side
    103,635,288,085.45x = 3,904,677,630,771,954,450,432
  5. Step 5: Solve for x
    x = 3,904,677,630,771,954,450,432/103,635,288,085.45
  6. Step 6: Final answer
    x = 37,677,104,998.76

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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.