Home / 145,360,657,009.60-218,040,985,514.40-89,526,190,091.20

Finding the Fourth Proportional to 145,360,657,009.60, 218,040,985,514.40 and 89,526,190,091.20

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Solution

The fourth proportional to 145,360,657,009.60, 218,040,985,514.40 and 89,526,190,091.20 is: 134,289,285,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,360,657,009.60 : 218,040,985,514.40 = 89,526,190,091.20 : x
  2. Step 2: Convert to fraction form
    145,360,657,009.60/218,040,985,514.40 = 89,526,190,091.20/x
  3. Step 3: Cross multiply
    145,360,657,009.60x = 218,040,985,514.40 × 89,526,190,091.20
  4. Step 4: Simplify right side
    145,360,657,009.60x = 19,520,378,716,834,758,656,000
  5. Step 5: Solve for x
    x = 19,520,378,716,834,758,656,000/145,360,657,009.60
  6. Step 6: Final answer
    x = 134,289,285,136.80

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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.