Home / 72,250,654.70-99,705,955.49-39,210,895.08

Finding the Fourth Proportional to 72,250,654.70, 99,705,955.49 and 39,210,895.08

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Solution

The fourth proportional to 72,250,654.70, 99,705,955.49 and 39,210,895.08 is: 54,111,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,250,654.70 : 99,705,955.49 = 39,210,895.08 : x
  2. Step 2: Convert to fraction form
    72,250,654.70/99,705,955.49 = 39,210,895.08/x
  3. Step 3: Cross multiply
    72,250,654.70x = 99,705,955.49 × 39,210,895.08
  4. Step 4: Simplify right side
    72,250,654.70x = 3,909,559,759,434,535
  5. Step 5: Solve for x
    x = 3,909,559,759,434,535/72,250,654.70
  6. Step 6: Final answer
    x = 54,111,063.43

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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.