Home / 30,285,617,085.20-45,428,425,627.80-25,125,836,733.20

Finding the Fourth Proportional to 30,285,617,085.20, 45,428,425,627.80 and 25,125,836,733.20

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Solution

The fourth proportional to 30,285,617,085.20, 45,428,425,627.80 and 25,125,836,733.20 is: 37,688,755,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285,617,085.20 : 45,428,425,627.80 = 25,125,836,733.20 : x
  2. Step 2: Convert to fraction form
    30,285,617,085.20/45,428,425,627.80 = 25,125,836,733.20/x
  3. Step 3: Cross multiply
    30,285,617,085.20x = 45,428,425,627.80 × 25,125,836,733.20
  4. Step 4: Simplify right side
    30,285,617,085.20x = 1,141,427,205,370,421,575,680
  5. Step 5: Solve for x
    x = 1,141,427,205,370,421,575,680/30,285,617,085.20
  6. Step 6: Final answer
    x = 37,688,755,099.80

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1.5x scale

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.