Home / 118,095,661.80-177,143,492.70-72,509,639.40

Finding the Fourth Proportional to 118,095,661.80, 177,143,492.70 and 72,509,639.40

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Solution

The fourth proportional to 118,095,661.80, 177,143,492.70 and 72,509,639.40 is: 108,764,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,095,661.80 : 177,143,492.70 = 72,509,639.40 : x
  2. Step 2: Convert to fraction form
    118,095,661.80/177,143,492.70 = 72,509,639.40/x
  3. Step 3: Cross multiply
    118,095,661.80x = 177,143,492.70 × 72,509,639.40
  4. Step 4: Simplify right side
    118,095,661.80x = 12,844,610,777,733,532
  5. Step 5: Solve for x
    x = 12,844,610,777,733,532/118,095,661.80
  6. Step 6: Final answer
    x = 108,764,459.10

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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.