Home / 72,250,706.68-99,706,027.26-39,210,947.08

Finding the Fourth Proportional to 72,250,706.68, 99,706,027.26 and 39,210,947.08

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Solution

The fourth proportional to 72,250,706.68, 99,706,027.26 and 39,210,947.08 is: 54,111,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,250,706.68 : 99,706,027.26 = 39,210,947.08 : x
  2. Step 2: Convert to fraction form
    72,250,706.68/99,706,027.26 = 39,210,947.08/x
  3. Step 3: Cross multiply
    72,250,706.68x = 99,706,027.26 × 39,210,947.08
  4. Step 4: Simplify right side
    72,250,706.68x = 3,909,567,758,448,897.50
  5. Step 5: Solve for x
    x = 3,909,567,758,448,897.50/72,250,706.68
  6. Step 6: Final answer
    x = 54,111,135.21

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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.