Home / 130,608,154,205.22-180,227,756,817.66-72,732,160,671.12

Finding the Fourth Proportional to 130,608,154,205.22, 180,227,756,817.66 and 72,732,160,671.12

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Solution

The fourth proportional to 130,608,154,205.22, 180,227,756,817.66 and 72,732,160,671.12 is: 100,363,979,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,608,154,205.22 : 180,227,756,817.66 = 72,732,160,671.12 : x
  2. Step 2: Convert to fraction form
    130,608,154,205.22/180,227,756,817.66 = 72,732,160,671.12/x
  3. Step 3: Cross multiply
    130,608,154,205.22x = 180,227,756,817.66 × 72,732,160,671.12
  4. Step 4: Simplify right side
    130,608,154,205.22x = 13,108,354,166,257,589,682,176
  5. Step 5: Solve for x
    x = 13,108,354,166,257,589,682,176/130,608,154,205.22
  6. Step 6: Final answer
    x = 100,363,979,921.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.