Home / 119,033,460.72-164,257,106.76-66,812,407.20

Finding the Fourth Proportional to 119,033,460.72, 164,257,106.76 and 66,812,407.20

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Solution

The fourth proportional to 119,033,460.72, 164,257,106.76 and 66,812,407.20 is: 92,196,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,033,460.72 : 164,257,106.76 = 66,812,407.20 : x
  2. Step 2: Convert to fraction form
    119,033,460.72/164,257,106.76 = 66,812,407.20/x
  3. Step 3: Cross multiply
    119,033,460.72x = 164,257,106.76 × 66,812,407.20
  4. Step 4: Simplify right side
    119,033,460.72x = 10,974,412,702,342,992
  5. Step 5: Solve for x
    x = 10,974,412,702,342,992/119,033,460.72
  6. Step 6: Final answer
    x = 92,196,031.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.