Home / 145,088,638.56-200,222,333.76-79,009,116.99

Finding the Fourth Proportional to 145,088,638.56, 200,222,333.76 and 79,009,116.99

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Solution

The fourth proportional to 145,088,638.56, 200,222,333.76 and 79,009,116.99 is: 109,032,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088,638.56 : 200,222,333.76 = 79,009,116.99 : x
  2. Step 2: Convert to fraction form
    145,088,638.56/200,222,333.76 = 79,009,116.99/x
  3. Step 3: Cross multiply
    145,088,638.56x = 200,222,333.76 × 79,009,116.99
  4. Step 4: Simplify right side
    145,088,638.56x = 15,819,389,792,054,664
  5. Step 5: Solve for x
    x = 15,819,389,792,054,664/145,088,638.56
  6. Step 6: Final answer
    x = 109,032,588.28

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1.5x scale

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.