Finding the Fourth Proportional to 103,768,413.99, 143,201,364.14 and 59,113,724.26
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Solution
The fourth proportional to 103,768,413.99, 143,201,364.14 and 59,113,724.26 is: 81,577,482.28
Step by Step Solution
- Step 1: Write the proportion equation
103,768,413.99 : 143,201,364.14 = 59,113,724.26 : x - Step 2: Convert to fraction form
103,768,413.99/143,201,364.14 = 59,113,724.26/x - Step 3: Cross multiply
103,768,413.99x = 143,201,364.14 × 59,113,724.26 - Step 4: Simplify right side
103,768,413.99x = 8,465,165,953,550,043 - Step 5: Solve for x
x = 8,465,165,953,550,043/103,768,413.99 - Step 6: Final answer
x = 81,577,482.28
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1.5x scale
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.