Home / 193,557,030.40-290,335,545.60-72,363,404.80

Finding the Fourth Proportional to 193,557,030.40, 290,335,545.60 and 72,363,404.80

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Solution

The fourth proportional to 193,557,030.40, 290,335,545.60 and 72,363,404.80 is: 108,545,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,557,030.40 : 290,335,545.60 = 72,363,404.80 : x
  2. Step 2: Convert to fraction form
    193,557,030.40/290,335,545.60 = 72,363,404.80/x
  3. Step 3: Cross multiply
    193,557,030.40x = 290,335,545.60 × 72,363,404.80
  4. Step 4: Simplify right side
    193,557,030.40x = 21,009,668,614,081,660
  5. Step 5: Solve for x
    x = 21,009,668,614,081,660/193,557,030.40
  6. Step 6: Final answer
    x = 108,545,107.20

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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.