Finding the Fourth Proportional to 118,046,275.70, 177,069,413.55 and 83,408,861.30
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Solution
The fourth proportional to 118,046,275.70, 177,069,413.55 and 83,408,861.30 is: 125,113,291.95
Step by Step Solution
- Step 1: Write the proportion equation
118,046,275.70 : 177,069,413.55 = 83,408,861.30 : x - Step 2: Convert to fraction form
118,046,275.70/177,069,413.55 = 83,408,861.30/x - Step 3: Cross multiply
118,046,275.70x = 177,069,413.55 × 83,408,861.30 - Step 4: Simplify right side
118,046,275.70x = 14,769,158,155,264,292 - Step 5: Solve for x
x = 14,769,158,155,264,292/118,046,275.70 - Step 6: Final answer
x = 125,113,291.95
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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.