Home / 143,736,246.90-215,604,370.35-57,431,978.10

Finding the Fourth Proportional to 143,736,246.90, 215,604,370.35 and 57,431,978.10

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Solution

The fourth proportional to 143,736,246.90, 215,604,370.35 and 57,431,978.10 is: 86,147,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,736,246.90 : 215,604,370.35 = 57,431,978.10 : x
  2. Step 2: Convert to fraction form
    143,736,246.90/215,604,370.35 = 57,431,978.10/x
  3. Step 3: Cross multiply
    143,736,246.90x = 215,604,370.35 × 57,431,978.10
  4. Step 4: Simplify right side
    143,736,246.90x = 12,382,585,476,205,490
  5. Step 5: Solve for x
    x = 12,382,585,476,205,490/143,736,246.90
  6. Step 6: Final answer
    x = 86,147,967.15

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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.