Home / 74,731,868.40-112,130,164.72-40,147,918.86

Finding the Fourth Proportional to 74,731,868.40, 112,130,164.72 and 40,147,918.86

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Solution

The fourth proportional to 74,731,868.40, 112,130,164.72 and 40,147,918.86 is: 60,239,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,731,868.40 : 112,130,164.72 = 40,147,918.86 : x
  2. Step 2: Convert to fraction form
    74,731,868.40/112,130,164.72 = 40,147,918.86/x
  3. Step 3: Cross multiply
    74,731,868.40x = 112,130,164.72 × 40,147,918.86
  4. Step 4: Simplify right side
    74,731,868.40x = 4,501,792,754,936,994.50
  5. Step 5: Solve for x
    x = 4,501,792,754,936,994.50/74,731,868.40
  6. Step 6: Final answer
    x = 60,239,264.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.