Home / 103,788,193,103.02-155,666,559,626.95-28,247,230,378.40

Finding the Fourth Proportional to 103,788,193,103.02, 155,666,559,626.95 and 28,247,230,378.40

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Solution

The fourth proportional to 103,788,193,103.02, 155,666,559,626.95 and 28,247,230,378.40 is: 42,366,564,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,788,193,103.02 : 155,666,559,626.95 = 28,247,230,378.40 : x
  2. Step 2: Convert to fraction form
    103,788,193,103.02/155,666,559,626.95 = 28,247,230,378.40/x
  3. Step 3: Cross multiply
    103,788,193,103.02x = 155,666,559,626.95 × 28,247,230,378.40
  4. Step 4: Simplify right side
    103,788,193,103.02x = 4,397,149,171,995,397,586,944
  5. Step 5: Solve for x
    x = 4,397,149,171,995,397,586,944/103,788,193,103.02
  6. Step 6: Final answer
    x = 42,366,564,447.56

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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.