Home / 141,556,585.95-212,062,847.31-86,809,527.81

Finding the Fourth Proportional to 141,556,585.95, 212,062,847.31 and 86,809,527.81

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Solution

The fourth proportional to 141,556,585.95, 212,062,847.31 and 86,809,527.81 is: 130,047,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,556,585.95 : 212,062,847.31 = 86,809,527.81 : x
  2. Step 2: Convert to fraction form
    141,556,585.95/212,062,847.31 = 86,809,527.81/x
  3. Step 3: Cross multiply
    141,556,585.95x = 212,062,847.31 × 86,809,527.81
  4. Step 4: Simplify right side
    141,556,585.95x = 18,409,075,641,025,228
  5. Step 5: Solve for x
    x = 18,409,075,641,025,228/141,556,585.95
  6. Step 6: Final answer
    x = 130,047,468.42

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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.