Home / 124,562,145.80-186,843,218.70-115,492,219.40

Finding the Fourth Proportional to 124,562,145.80, 186,843,218.70 and 115,492,219.40

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Solution

The fourth proportional to 124,562,145.80, 186,843,218.70 and 115,492,219.40 is: 173,238,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562,145.80 : 186,843,218.70 = 115,492,219.40 : x
  2. Step 2: Convert to fraction form
    124,562,145.80/186,843,218.70 = 115,492,219.40/x
  3. Step 3: Cross multiply
    124,562,145.80x = 186,843,218.70 × 115,492,219.40
  4. Step 4: Simplify right side
    124,562,145.80x = 21,578,938,007,502,584
  5. Step 5: Solve for x
    x = 21,578,938,007,502,584/124,562,145.80
  6. Step 6: Final answer
    x = 173,238,329.10

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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.