Home / 212,581,626,459.06-318,872,746,583.88-86,812,223,495.10

Finding the Fourth Proportional to 212,581,626,459.06, 318,872,746,583.88 and 86,812,223,495.10

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Solution

The fourth proportional to 212,581,626,459.06, 318,872,746,583.88 and 86,812,223,495.10 is: 130,218,460,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,581,626,459.06 : 318,872,746,583.88 = 86,812,223,495.10 : x
  2. Step 2: Convert to fraction form
    212,581,626,459.06/318,872,746,583.88 = 86,812,223,495.10/x
  3. Step 3: Cross multiply
    212,581,626,459.06x = 318,872,746,583.88 × 86,812,223,495.10
  4. Step 4: Simplify right side
    212,581,626,459.06x = 27,682,052,142,936,178,556,928
  5. Step 5: Solve for x
    x = 27,682,052,142,936,178,556,928/212,581,626,459.06
  6. Step 6: Final answer
    x = 130,218,460,569.86

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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.