Home / 53,673,678.80-80,510,518.20-45,170,622.80

Finding the Fourth Proportional to 53,673,678.80, 80,510,518.20 and 45,170,622.80

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Solution

The fourth proportional to 53,673,678.80, 80,510,518.20 and 45,170,622.80 is: 67,755,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,673,678.80 : 80,510,518.20 = 45,170,622.80 : x
  2. Step 2: Convert to fraction form
    53,673,678.80/80,510,518.20 = 45,170,622.80/x
  3. Step 3: Cross multiply
    53,673,678.80x = 80,510,518.20 × 45,170,622.80
  4. Step 4: Simplify right side
    53,673,678.80x = 3,636,710,249,044,735
  5. Step 5: Solve for x
    x = 3,636,710,249,044,735/53,673,678.80
  6. Step 6: Final answer
    x = 67,755,934.20

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Double scale
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Similar ratio
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1.5x scale

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.