Home / 147,015,362.40-220,523,043.60-124,057,111.20

Finding the Fourth Proportional to 147,015,362.40, 220,523,043.60 and 124,057,111.20

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Solution

The fourth proportional to 147,015,362.40, 220,523,043.60 and 124,057,111.20 is: 186,085,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,015,362.40 : 220,523,043.60 = 124,057,111.20 : x
  2. Step 2: Convert to fraction form
    147,015,362.40/220,523,043.60 = 124,057,111.20/x
  3. Step 3: Cross multiply
    147,015,362.40x = 220,523,043.60 × 124,057,111.20
  4. Step 4: Simplify right side
    147,015,362.40x = 27,357,451,742,047,648
  5. Step 5: Solve for x
    x = 27,357,451,742,047,648/147,015,362.40
  6. Step 6: Final answer
    x = 186,085,666.80

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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.