Home / 130,045,413.60-195,111,483.56-86,497,851

Finding the Fourth Proportional to 130,045,413.60, 195,111,483.56 and 86,497,851

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Solution

The fourth proportional to 130,045,413.60, 195,111,483.56 and 86,497,851 is: 129,775,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045,413.60 : 195,111,483.56 = 86,497,851 : x
  2. Step 2: Convert to fraction form
    130,045,413.60/195,111,483.56 = 86,497,851/x
  3. Step 3: Cross multiply
    130,045,413.60x = 195,111,483.56 × 86,497,851
  4. Step 4: Simplify right side
    130,045,413.60x = 16,876,724,033,361,830
  5. Step 5: Solve for x
    x = 16,876,724,033,361,830/130,045,413.60
  6. Step 6: Final answer
    x = 129,775,618.89

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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.