Home / 212,306,836,041.60-318,461,444,577.72-70,815,869,285.28

Finding the Fourth Proportional to 212,306,836,041.60, 318,461,444,577.72 and 70,815,869,285.28

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Solution

The fourth proportional to 212,306,836,041.60, 318,461,444,577.72 and 70,815,869,285.28 is: 106,224,201,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,306,836,041.60 : 318,461,444,577.72 = 70,815,869,285.28 : x
  2. Step 2: Convert to fraction form
    212,306,836,041.60/318,461,444,577.72 = 70,815,869,285.28/x
  3. Step 3: Cross multiply
    212,306,836,041.60x = 318,461,444,577.72 × 70,815,869,285.28
  4. Step 4: Simplify right side
    212,306,836,041.60x = 22,552,124,031,617,258,749,952
  5. Step 5: Solve for x
    x = 22,552,124,031,617,258,749,952/212,306,836,041.60
  6. Step 6: Final answer
    x = 106,224,201,029.49

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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.