Home / 192,830,030.20-289,128,489.12-77,680,084.33

Finding the Fourth Proportional to 192,830,030.20, 289,128,489.12 and 77,680,084.33

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Solution

The fourth proportional to 192,830,030.20, 289,128,489.12 and 77,680,084.33 is: 116,473,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,830,030.20 : 289,128,489.12 = 77,680,084.33 : x
  2. Step 2: Convert to fraction form
    192,830,030.20/289,128,489.12 = 77,680,084.33/x
  3. Step 3: Cross multiply
    192,830,030.20x = 289,128,489.12 × 77,680,084.33
  4. Step 4: Simplify right side
    192,830,030.20x = 22,459,525,417,047,088
  5. Step 5: Solve for x
    x = 22,459,525,417,047,088/192,830,030.20
  6. Step 6: Final answer
    x = 116,473,172.74

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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.