Home / 74,027,960,018.10-102,158,584,824.96-42,345,573,362.09

Finding the Fourth Proportional to 74,027,960,018.10, 102,158,584,824.96 and 42,345,573,362.09

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Solution

The fourth proportional to 74,027,960,018.10, 102,158,584,824.96 and 42,345,573,362.09 is: 58,436,891,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,027,960,018.10 : 102,158,584,824.96 = 42,345,573,362.09 : x
  2. Step 2: Convert to fraction form
    74,027,960,018.10/102,158,584,824.96 = 42,345,573,362.09/x
  3. Step 3: Cross multiply
    74,027,960,018.10x = 102,158,584,824.96 × 42,345,573,362.09
  4. Step 4: Simplify right side
    74,027,960,018.10x = 4,325,963,848,272,127,197,184
  5. Step 5: Solve for x
    x = 4,325,963,848,272,127,197,184/74,027,960,018.10
  6. Step 6: Final answer
    x = 58,436,891,239.67

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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.