Finding the Fourth Proportional to 63,208,713.68, 87,235,103.95 and 35,708,413.40
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Solution
The fourth proportional to 63,208,713.68, 87,235,103.95 and 35,708,413.40 is: 49,281,609.66
Step by Step Solution
- Step 1: Write the proportion equation
63,208,713.68 : 87,235,103.95 = 35,708,413.40 : x - Step 2: Convert to fraction form
63,208,713.68/87,235,103.95 = 35,708,413.40/x - Step 3: Cross multiply
63,208,713.68x = 87,235,103.95 × 35,708,413.40 - Step 4: Simplify right side
63,208,713.68x = 3,115,027,154,313,127 - Step 5: Solve for x
x = 3,115,027,154,313,127/63,208,713.68 - Step 6: Final answer
x = 49,281,609.66
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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.