Home / 124,078,219.20-186,117,328.80-98,380,094.40

Finding the Fourth Proportional to 124,078,219.20, 186,117,328.80 and 98,380,094.40

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Solution

The fourth proportional to 124,078,219.20, 186,117,328.80 and 98,380,094.40 is: 147,570,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,078,219.20 : 186,117,328.80 = 98,380,094.40 : x
  2. Step 2: Convert to fraction form
    124,078,219.20/186,117,328.80 = 98,380,094.40/x
  3. Step 3: Cross multiply
    124,078,219.20x = 186,117,328.80 × 98,380,094.40
  4. Step 4: Simplify right side
    124,078,219.20x = 18,310,240,376,819,840
  5. Step 5: Solve for x
    x = 18,310,240,376,819,840/124,078,219.20
  6. Step 6: Final answer
    x = 147,570,141.60

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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.