Home / 72,130,297.72-99,550,494.30-45,671,110.84

Finding the Fourth Proportional to 72,130,297.72, 99,550,494.30 and 45,671,110.84

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Solution

The fourth proportional to 72,130,297.72, 99,550,494.30 and 45,671,110.84 is: 63,032,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,130,297.72 : 99,550,494.30 = 45,671,110.84 : x
  2. Step 2: Convert to fraction form
    72,130,297.72/99,550,494.30 = 45,671,110.84/x
  3. Step 3: Cross multiply
    72,130,297.72x = 99,550,494.30 × 45,671,110.84
  4. Step 4: Simplify right side
    72,130,297.72x = 4,546,581,659,352,088
  5. Step 5: Solve for x
    x = 4,546,581,659,352,088/72,130,297.72
  6. Step 6: Final answer
    x = 63,032,897.45

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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.