Home / 128,753,666.98-177,681,325.62-70,017,608.46

Finding the Fourth Proportional to 128,753,666.98, 177,681,325.62 and 70,017,608.46

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Solution

The fourth proportional to 128,753,666.98, 177,681,325.62 and 70,017,608.46 is: 96,624,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,753,666.98 : 177,681,325.62 = 70,017,608.46 : x
  2. Step 2: Convert to fraction form
    128,753,666.98/177,681,325.62 = 70,017,608.46/x
  3. Step 3: Cross multiply
    128,753,666.98x = 177,681,325.62 × 70,017,608.46
  4. Step 4: Simplify right side
    128,753,666.98x = 12,440,821,487,914,926
  5. Step 5: Solve for x
    x = 12,440,821,487,914,926/128,753,666.98
  6. Step 6: Final answer
    x = 96,624,987.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.