Home / 70,158,363,471.20-105,243,731,840.98-19,794,237,985.82

Finding the Fourth Proportional to 70,158,363,471.20, 105,243,731,840.98 and 19,794,237,985.82

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Solution

The fourth proportional to 70,158,363,471.20, 105,243,731,840.98 and 19,794,237,985.82 is: 29,693,102,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,158,363,471.20 : 105,243,731,840.98 = 19,794,237,985.82 : x
  2. Step 2: Convert to fraction form
    70,158,363,471.20/105,243,731,840.98 = 19,794,237,985.82/x
  3. Step 3: Cross multiply
    70,158,363,471.20x = 105,243,731,840.98 × 19,794,237,985.82
  4. Step 4: Simplify right side
    70,158,363,471.20x = 2,083,219,474,576,390,488,064
  5. Step 5: Solve for x
    x = 2,083,219,474,576,390,488,064/70,158,363,471.20
  6. Step 6: Final answer
    x = 29,693,102,454.30

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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.