Home / 102,547,413.60-153,821,120.40-98,964,232.80

Finding the Fourth Proportional to 102,547,413.60, 153,821,120.40 and 98,964,232.80

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Solution

The fourth proportional to 102,547,413.60, 153,821,120.40 and 98,964,232.80 is: 148,446,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,547,413.60 : 153,821,120.40 = 98,964,232.80 : x
  2. Step 2: Convert to fraction form
    102,547,413.60/153,821,120.40 = 98,964,232.80/x
  3. Step 3: Cross multiply
    102,547,413.60x = 153,821,120.40 × 98,964,232.80
  4. Step 4: Simplify right side
    102,547,413.60x = 15,222,789,168,822,430
  5. Step 5: Solve for x
    x = 15,222,789,168,822,430/102,547,413.60
  6. Step 6: Final answer
    x = 148,446,349.20

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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.