Home / 212,169,619.40-318,254,429.10-161,151,283.40

Finding the Fourth Proportional to 212,169,619.40, 318,254,429.10 and 161,151,283.40

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Solution

The fourth proportional to 212,169,619.40, 318,254,429.10 and 161,151,283.40 is: 241,726,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,169,619.40 : 318,254,429.10 = 161,151,283.40 : x
  2. Step 2: Convert to fraction form
    212,169,619.40/318,254,429.10 = 161,151,283.40/x
  3. Step 3: Cross multiply
    212,169,619.40x = 318,254,429.10 × 161,151,283.40
  4. Step 4: Simplify right side
    212,169,619.40x = 51,287,109,697,199,312
  5. Step 5: Solve for x
    x = 51,287,109,697,199,312/212,169,619.40
  6. Step 6: Final answer
    x = 241,726,925.10

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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.