Home / 212,581,626,447.80-318,872,746,567.01-86,812,223,483.82

Finding the Fourth Proportional to 212,581,626,447.80, 318,872,746,567.01 and 86,812,223,483.82

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Solution

The fourth proportional to 212,581,626,447.80, 318,872,746,567.01 and 86,812,223,483.82 is: 130,218,460,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,581,626,447.80 : 318,872,746,567.01 = 86,812,223,483.82 : x
  2. Step 2: Convert to fraction form
    212,581,626,447.80/318,872,746,567.01 = 86,812,223,483.82/x
  3. Step 3: Cross multiply
    212,581,626,447.80x = 318,872,746,567.01 × 86,812,223,483.82
  4. Step 4: Simplify right side
    212,581,626,447.80x = 27,682,052,137,874,773,508,096
  5. Step 5: Solve for x
    x = 27,682,052,137,874,773,508,096/212,581,626,447.80
  6. Step 6: Final answer
    x = 130,218,460,552.95

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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.