Home / 103,788,193,145.16-155,666,559,690.16-28,247,230,420.56

Finding the Fourth Proportional to 103,788,193,145.16, 155,666,559,690.16 and 28,247,230,420.56

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Solution

The fourth proportional to 103,788,193,145.16, 155,666,559,690.16 and 28,247,230,420.56 is: 42,366,564,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,788,193,145.16 : 155,666,559,690.16 = 28,247,230,420.56 : x
  2. Step 2: Convert to fraction form
    103,788,193,145.16/155,666,559,690.16 = 28,247,230,420.56/x
  3. Step 3: Cross multiply
    103,788,193,145.16x = 155,666,559,690.16 × 28,247,230,420.56
  4. Step 4: Simplify right side
    103,788,193,145.16x = 4,397,149,180,343,806,853,120
  5. Step 5: Solve for x
    x = 4,397,149,180,343,806,853,120/103,788,193,145.16
  6. Step 6: Final answer
    x = 42,366,564,510.80

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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.