Home / 162,105,271.09-223,702,603.47-87,765,237.29

Finding the Fourth Proportional to 162,105,271.09, 223,702,603.47 and 87,765,237.29

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Solution

The fourth proportional to 162,105,271.09, 223,702,603.47 and 87,765,237.29 is: 121,114,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,105,271.09 : 223,702,603.47 = 87,765,237.29 : x
  2. Step 2: Convert to fraction form
    162,105,271.09/223,702,603.47 = 87,765,237.29/x
  3. Step 3: Cross multiply
    162,105,271.09x = 223,702,603.47 × 87,765,237.29
  4. Step 4: Simplify right side
    162,105,271.09x = 19,633,312,076,494,584
  5. Step 5: Solve for x
    x = 19,633,312,076,494,584/162,105,271.09
  6. Step 6: Final answer
    x = 121,114,581.56

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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.