Home / 99,089,854.80-148,634,782.20-84,740,947.80

Finding the Fourth Proportional to 99,089,854.80, 148,634,782.20 and 84,740,947.80

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Solution

The fourth proportional to 99,089,854.80, 148,634,782.20 and 84,740,947.80 is: 127,111,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,089,854.80 : 148,634,782.20 = 84,740,947.80 : x
  2. Step 2: Convert to fraction form
    99,089,854.80/148,634,782.20 = 84,740,947.80/x
  3. Step 3: Cross multiply
    99,089,854.80x = 148,634,782.20 × 84,740,947.80
  4. Step 4: Simplify right side
    99,089,854.80x = 12,595,452,319,674,568
  5. Step 5: Solve for x
    x = 12,595,452,319,674,568/99,089,854.80
  6. Step 6: Final answer
    x = 127,111,421.70

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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.