Home / 124,416,187.60-186,624,281.40-83,806,805.20

Finding the Fourth Proportional to 124,416,187.60, 186,624,281.40 and 83,806,805.20

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Solution

The fourth proportional to 124,416,187.60, 186,624,281.40 and 83,806,805.20 is: 125,710,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,187.60 : 186,624,281.40 = 83,806,805.20 : x
  2. Step 2: Convert to fraction form
    124,416,187.60/186,624,281.40 = 83,806,805.20/x
  3. Step 3: Cross multiply
    124,416,187.60x = 186,624,281.40 × 83,806,805.20
  4. Step 4: Simplify right side
    124,416,187.60x = 15,640,384,796,879,784
  5. Step 5: Solve for x
    x = 15,640,384,796,879,784/124,416,187.60
  6. Step 6: Final answer
    x = 125,710,207.80

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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.