Home / 66,636,076.56-99,812,368.08-39,312,923.28

Finding the Fourth Proportional to 66,636,076.56, 99,812,368.08 and 39,312,923.28

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Solution

The fourth proportional to 66,636,076.56, 99,812,368.08 and 39,312,923.28 is: 58,885,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,636,076.56 : 99,812,368.08 = 39,312,923.28 : x
  2. Step 2: Convert to fraction form
    66,636,076.56/99,812,368.08 = 39,312,923.28/x
  3. Step 3: Cross multiply
    66,636,076.56x = 99,812,368.08 × 39,312,923.28
  4. Step 4: Simplify right side
    66,636,076.56x = 3,923,915,968,724,161
  5. Step 5: Solve for x
    x = 3,923,915,968,724,161/66,636,076.56
  6. Step 6: Final answer
    x = 58,885,759.36

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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.