Home / 122,235,271.80-183,352,907.70-73,688,136.45

Finding the Fourth Proportional to 122,235,271.80, 183,352,907.70 and 73,688,136.45

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Solution

The fourth proportional to 122,235,271.80, 183,352,907.70 and 73,688,136.45 is: 110,532,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,235,271.80 : 183,352,907.70 = 73,688,136.45 : x
  2. Step 2: Convert to fraction form
    122,235,271.80/183,352,907.70 = 73,688,136.45/x
  3. Step 3: Cross multiply
    122,235,271.80x = 183,352,907.70 × 73,688,136.45
  4. Step 4: Simplify right side
    122,235,271.80x = 13,510,934,081,101,856
  5. Step 5: Solve for x
    x = 13,510,934,081,101,856/122,235,271.80
  6. Step 6: Final answer
    x = 110,532,204.68

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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.