Home / 90,699,264,692.40-136,048,897,038.60-87,393,276,519.60

Finding the Fourth Proportional to 90,699,264,692.40, 136,048,897,038.60 and 87,393,276,519.60

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Solution

The fourth proportional to 90,699,264,692.40, 136,048,897,038.60 and 87,393,276,519.60 is: 131,089,914,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,264,692.40 : 136,048,897,038.60 = 87,393,276,519.60 : x
  2. Step 2: Convert to fraction form
    90,699,264,692.40/136,048,897,038.60 = 87,393,276,519.60/x
  3. Step 3: Cross multiply
    90,699,264,692.40x = 136,048,897,038.60 × 87,393,276,519.60
  4. Step 4: Simplify right side
    90,699,264,692.40x = 11,889,758,879,080,960,229,376
  5. Step 5: Solve for x
    x = 11,889,758,879,080,960,229,376/90,699,264,692.40
  6. Step 6: Final answer
    x = 131,089,914,779.40

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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.