Home / 66,424,334.40-99,636,501.60-39,550,478.40

Finding the Fourth Proportional to 66,424,334.40, 99,636,501.60 and 39,550,478.40

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Solution

The fourth proportional to 66,424,334.40, 99,636,501.60 and 39,550,478.40 is: 59,325,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424,334.40 : 99,636,501.60 = 39,550,478.40 : x
  2. Step 2: Convert to fraction form
    66,424,334.40/99,636,501.60 = 39,550,478.40/x
  3. Step 3: Cross multiply
    66,424,334.40x = 99,636,501.60 × 39,550,478.40
  4. Step 4: Simplify right side
    66,424,334.40x = 3,940,671,304,382,365
  5. Step 5: Solve for x
    x = 3,940,671,304,382,365/66,424,334.40
  6. Step 6: Final answer
    x = 59,325,717.60

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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.