Home / 113,300,217,738.22-156,424,863,244.36-72,123,830,731.76

Finding the Fourth Proportional to 113,300,217,738.22, 156,424,863,244.36 and 72,123,830,731.76

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Solution

The fourth proportional to 113,300,217,738.22, 156,424,863,244.36 and 72,123,830,731.76 is: 99,575,804,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,300,217,738.22 : 156,424,863,244.36 = 72,123,830,731.76 : x
  2. Step 2: Convert to fraction form
    113,300,217,738.22/156,424,863,244.36 = 72,123,830,731.76/x
  3. Step 3: Cross multiply
    113,300,217,738.22x = 156,424,863,244.36 × 72,123,830,731.76
  4. Step 4: Simplify right side
    113,300,217,738.22x = 11,281,960,358,874,611,449,856
  5. Step 5: Solve for x
    x = 11,281,960,358,874,611,449,856/113,300,217,738.22
  6. Step 6: Final answer
    x = 99,575,804,743.30

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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.