Home / 104,986,411.20-157,479,616.80-83,303,618.40

Finding the Fourth Proportional to 104,986,411.20, 157,479,616.80 and 83,303,618.40

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Solution

The fourth proportional to 104,986,411.20, 157,479,616.80 and 83,303,618.40 is: 124,955,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,986,411.20 : 157,479,616.80 = 83,303,618.40 : x
  2. Step 2: Convert to fraction form
    104,986,411.20/157,479,616.80 = 83,303,618.40/x
  3. Step 3: Cross multiply
    104,986,411.20x = 157,479,616.80 × 83,303,618.40
  4. Step 4: Simplify right side
    104,986,411.20x = 13,118,621,903,685,432
  5. Step 5: Solve for x
    x = 13,118,621,903,685,432/104,986,411.20
  6. Step 6: Final answer
    x = 124,955,427.60

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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.