Home / 70,158,363,475.71-105,243,731,847.74-19,794,237,990.33

Finding the Fourth Proportional to 70,158,363,475.71, 105,243,731,847.74 and 19,794,237,990.33

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Solution

The fourth proportional to 70,158,363,475.71, 105,243,731,847.74 and 19,794,237,990.33 is: 29,693,102,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,158,363,475.71 : 105,243,731,847.74 = 19,794,237,990.33 : x
  2. Step 2: Convert to fraction form
    70,158,363,475.71/105,243,731,847.74 = 19,794,237,990.33/x
  3. Step 3: Cross multiply
    70,158,363,475.71x = 105,243,731,847.74 × 19,794,237,990.33
  4. Step 4: Simplify right side
    70,158,363,475.71x = 2,083,219,475,184,638,754,816
  5. Step 5: Solve for x
    x = 2,083,219,475,184,638,754,816/70,158,363,475.71
  6. Step 6: Final answer
    x = 29,693,102,461.06

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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.