Home / 90,843,402,519.60-136,265,103,779.40-61,089,508,964.40

Finding the Fourth Proportional to 90,843,402,519.60, 136,265,103,779.40 and 61,089,508,964.40

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Solution

The fourth proportional to 90,843,402,519.60, 136,265,103,779.40 and 61,089,508,964.40 is: 91,634,263,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,843,402,519.60 : 136,265,103,779.40 = 61,089,508,964.40 : x
  2. Step 2: Convert to fraction form
    90,843,402,519.60/136,265,103,779.40 = 61,089,508,964.40/x
  3. Step 3: Cross multiply
    90,843,402,519.60x = 136,265,103,779.40 × 61,089,508,964.40
  4. Step 4: Simplify right side
    90,843,402,519.60x = 8,324,368,278,866,552,160,256
  5. Step 5: Solve for x
    x = 8,324,368,278,866,552,160,256/90,843,402,519.60
  6. Step 6: Final answer
    x = 91,634,263,446.60

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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.