Home / 103,995,870.60-155,993,805.90-73,762,782.60

Finding the Fourth Proportional to 103,995,870.60, 155,993,805.90 and 73,762,782.60

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Solution

The fourth proportional to 103,995,870.60, 155,993,805.90 and 73,762,782.60 is: 110,644,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,995,870.60 : 155,993,805.90 = 73,762,782.60 : x
  2. Step 2: Convert to fraction form
    103,995,870.60/155,993,805.90 = 73,762,782.60/x
  3. Step 3: Cross multiply
    103,995,870.60x = 155,993,805.90 × 73,762,782.60
  4. Step 4: Simplify right side
    103,995,870.60x = 11,506,537,191,548,296
  5. Step 5: Solve for x
    x = 11,506,537,191,548,296/103,995,870.60
  6. Step 6: Final answer
    x = 110,644,173.90

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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.