Home / 78,528,097.80-117,792,146.70-24,675,323.40

Finding the Fourth Proportional to 78,528,097.80, 117,792,146.70 and 24,675,323.40

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Solution

The fourth proportional to 78,528,097.80, 117,792,146.70 and 24,675,323.40 is: 37,012,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528,097.80 : 117,792,146.70 = 24,675,323.40 : x
  2. Step 2: Convert to fraction form
    78,528,097.80/117,792,146.70 = 24,675,323.40/x
  3. Step 3: Cross multiply
    78,528,097.80x = 117,792,146.70 × 24,675,323.40
  4. Step 4: Simplify right side
    78,528,097.80x = 2,906,559,313,802,742.50
  5. Step 5: Solve for x
    x = 2,906,559,313,802,742.50/78,528,097.80
  6. Step 6: Final answer
    x = 37,012,985.10

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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.