Home / 65,733,590.80-90,696,057.51-42,500,762.02

Finding the Fourth Proportional to 65,733,590.80, 90,696,057.51 and 42,500,762.02

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Solution

The fourth proportional to 65,733,590.80, 90,696,057.51 and 42,500,762.02 is: 58,640,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,733,590.80 : 90,696,057.51 = 42,500,762.02 : x
  2. Step 2: Convert to fraction form
    65,733,590.80/90,696,057.51 = 42,500,762.02/x
  3. Step 3: Cross multiply
    65,733,590.80x = 90,696,057.51 × 42,500,762.02
  4. Step 4: Simplify right side
    65,733,590.80x = 3,854,651,556,384,744.50
  5. Step 5: Solve for x
    x = 3,854,651,556,384,744.50/65,733,590.80
  6. Step 6: Final answer
    x = 58,640,514.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.