Home / 212,047,607,990.63-318,069,315,899.62-97,148,684,155.48

Finding the Fourth Proportional to 212,047,607,990.63, 318,069,315,899.62 and 97,148,684,155.48

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Solution

The fourth proportional to 212,047,607,990.63, 318,069,315,899.62 and 97,148,684,155.48 is: 145,722,065,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,047,607,990.63 : 318,069,315,899.62 = 97,148,684,155.48 : x
  2. Step 2: Convert to fraction form
    212,047,607,990.63/318,069,315,899.62 = 97,148,684,155.48/x
  3. Step 3: Cross multiply
    212,047,607,990.63x = 318,069,315,899.62 × 97,148,684,155.48
  4. Step 4: Simplify right side
    212,047,607,990.63x = 30,900,015,509,881,774,669,824
  5. Step 5: Solve for x
    x = 30,900,015,509,881,774,669,824/212,047,607,990.63
  6. Step 6: Final answer
    x = 145,722,065,920.44

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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.