Home / 124,631,863.40-186,947,795.10-103,398,199.40

Finding the Fourth Proportional to 124,631,863.40, 186,947,795.10 and 103,398,199.40

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Solution

The fourth proportional to 124,631,863.40, 186,947,795.10 and 103,398,199.40 is: 155,097,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,631,863.40 : 186,947,795.10 = 103,398,199.40 : x
  2. Step 2: Convert to fraction form
    124,631,863.40/186,947,795.10 = 103,398,199.40/x
  3. Step 3: Cross multiply
    124,631,863.40x = 186,947,795.10 × 103,398,199.40
  4. Step 4: Simplify right side
    124,631,863.40x = 19,330,065,395,140,144
  5. Step 5: Solve for x
    x = 19,330,065,395,140,144/124,631,863.40
  6. Step 6: Final answer
    x = 155,097,299.10

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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.