Home / 212,581,626,458.06-318,872,746,582.38-86,812,223,494.10

Finding the Fourth Proportional to 212,581,626,458.06, 318,872,746,582.38 and 86,812,223,494.10

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Solution

The fourth proportional to 212,581,626,458.06, 318,872,746,582.38 and 86,812,223,494.10 is: 130,218,460,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,581,626,458.06 : 318,872,746,582.38 = 86,812,223,494.10 : x
  2. Step 2: Convert to fraction form
    212,581,626,458.06/318,872,746,582.38 = 86,812,223,494.10/x
  3. Step 3: Cross multiply
    212,581,626,458.06x = 318,872,746,582.38 × 86,812,223,494.10
  4. Step 4: Simplify right side
    212,581,626,458.06x = 27,682,052,142,487,086,039,040
  5. Step 5: Solve for x
    x = 27,682,052,142,487,086,039,040/212,581,626,458.06
  6. Step 6: Final answer
    x = 130,218,460,568.36

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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.