Home / 131,801,985.32-181,886,735.81-73,064,501.60

Finding the Fourth Proportional to 131,801,985.32, 181,886,735.81 and 73,064,501.60

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Solution

The fourth proportional to 131,801,985.32, 181,886,735.81 and 73,064,501.60 is: 100,829,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,801,985.32 : 181,886,735.81 = 73,064,501.60 : x
  2. Step 2: Convert to fraction form
    131,801,985.32/181,886,735.81 = 73,064,501.60/x
  3. Step 3: Cross multiply
    131,801,985.32x = 181,886,735.81 × 73,064,501.60
  4. Step 4: Simplify right side
    131,801,985.32x = 13,289,463,699,243,200
  5. Step 5: Solve for x
    x = 13,289,463,699,243,200/131,801,985.32
  6. Step 6: Final answer
    x = 100,829,010.03

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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.