Home / 98,661,208.40-147,991,812.60-41,920,139.60

Finding the Fourth Proportional to 98,661,208.40, 147,991,812.60 and 41,920,139.60

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Solution

The fourth proportional to 98,661,208.40, 147,991,812.60 and 41,920,139.60 is: 62,880,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,661,208.40 : 147,991,812.60 = 41,920,139.60 : x
  2. Step 2: Convert to fraction form
    98,661,208.40/147,991,812.60 = 41,920,139.60/x
  3. Step 3: Cross multiply
    98,661,208.40x = 147,991,812.60 × 41,920,139.60
  4. Step 4: Simplify right side
    98,661,208.40x = 6,203,837,443,849,039
  5. Step 5: Solve for x
    x = 6,203,837,443,849,039/98,661,208.40
  6. Step 6: Final answer
    x = 62,880,209.40

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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.