Home / 201,582,040.90-302,429,048.55-86,621,656.90

Finding the Fourth Proportional to 201,582,040.90, 302,429,048.55 and 86,621,656.90

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Solution

The fourth proportional to 201,582,040.90, 302,429,048.55 and 86,621,656.90 is: 129,956,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,582,040.90 : 302,429,048.55 = 86,621,656.90 : x
  2. Step 2: Convert to fraction form
    201,582,040.90/302,429,048.55 = 86,621,656.90/x
  3. Step 3: Cross multiply
    201,582,040.90x = 302,429,048.55 × 86,621,656.90
  4. Step 4: Simplify right side
    201,582,040.90x = 26,196,905,280,091,544
  5. Step 5: Solve for x
    x = 26,196,905,280,091,544/201,582,040.90
  6. Step 6: Final answer
    x = 129,956,543.56

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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.