Home / 100,977,737.31-139,343,271.98-58,588,012.90

Finding the Fourth Proportional to 100,977,737.31, 139,343,271.98 and 58,588,012.90

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Solution

The fourth proportional to 100,977,737.31, 139,343,271.98 and 58,588,012.90 is: 80,847,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,977,737.31 : 139,343,271.98 = 58,588,012.90 : x
  2. Step 2: Convert to fraction form
    100,977,737.31/139,343,271.98 = 58,588,012.90/x
  3. Step 3: Cross multiply
    100,977,737.31x = 139,343,271.98 × 58,588,012.90
  4. Step 4: Simplify right side
    100,977,737.31x = 8,163,845,416,668,171
  5. Step 5: Solve for x
    x = 8,163,845,416,668,171/100,977,737.31
  6. Step 6: Final answer
    x = 80,847,973.37

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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.