Home / 115,919,762.40-173,879,643.60-55,453,586.40

Finding the Fourth Proportional to 115,919,762.40, 173,879,643.60 and 55,453,586.40

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Solution

The fourth proportional to 115,919,762.40, 173,879,643.60 and 55,453,586.40 is: 83,180,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,919,762.40 : 173,879,643.60 = 55,453,586.40 : x
  2. Step 2: Convert to fraction form
    115,919,762.40/173,879,643.60 = 55,453,586.40/x
  3. Step 3: Cross multiply
    115,919,762.40x = 173,879,643.60 × 55,453,586.40
  4. Step 4: Simplify right side
    115,919,762.40x = 9,642,249,839,573,806
  5. Step 5: Solve for x
    x = 9,642,249,839,573,806/115,919,762.40
  6. Step 6: Final answer
    x = 83,180,379.60

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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.