Home / 123,959,320.40-185,938,980.60-116,401,048.40

Finding the Fourth Proportional to 123,959,320.40, 185,938,980.60 and 116,401,048.40

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Solution

The fourth proportional to 123,959,320.40, 185,938,980.60 and 116,401,048.40 is: 174,601,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,959,320.40 : 185,938,980.60 = 116,401,048.40 : x
  2. Step 2: Convert to fraction form
    123,959,320.40/185,938,980.60 = 116,401,048.40/x
  3. Step 3: Cross multiply
    123,959,320.40x = 185,938,980.60 × 116,401,048.40
  4. Step 4: Simplify right side
    123,959,320.40x = 21,643,492,280,267,260
  5. Step 5: Solve for x
    x = 21,643,492,280,267,260/123,959,320.40
  6. Step 6: Final answer
    x = 174,601,572.60

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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.