Home / 510,780,100.39-766,170,160.73-122,602,930.81

Finding the Fourth Proportional to 510,780,100.39, 766,170,160.73 and 122,602,930.81

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Solution

The fourth proportional to 510,780,100.39, 766,170,160.73 and 122,602,930.81 is: 183,904,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,780,100.39 : 766,170,160.73 = 122,602,930.81 : x
  2. Step 2: Convert to fraction form
    510,780,100.39/766,170,160.73 = 122,602,930.81/x
  3. Step 3: Cross multiply
    510,780,100.39x = 766,170,160.73 × 122,602,930.81
  4. Step 4: Simplify right side
    510,780,100.39x = 93,934,707,204,666,768
  5. Step 5: Solve for x
    x = 93,934,707,204,666,768/510,780,100.39
  6. Step 6: Final answer
    x = 183,904,398.65

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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.