Home / 185,830,239.41-278,685,688.18-61,304,878.78

Finding the Fourth Proportional to 185,830,239.41, 278,685,688.18 and 61,304,878.78

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Solution

The fourth proportional to 185,830,239.41, 278,685,688.18 and 61,304,878.78 is: 91,937,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,830,239.41 : 278,685,688.18 = 61,304,878.78 : x
  2. Step 2: Convert to fraction form
    185,830,239.41/278,685,688.18 = 61,304,878.78/x
  3. Step 3: Cross multiply
    185,830,239.41x = 278,685,688.18 × 61,304,878.78
  4. Step 4: Simplify right side
    185,830,239.41x = 17,084,792,331,595,780
  5. Step 5: Solve for x
    x = 17,084,792,331,595,780/185,830,239.41
  6. Step 6: Final answer
    x = 91,937,632.89

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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.