Finding the Fourth Proportional to 93,312,069.80, 139,968,104.70 and 84,354,117.80
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Solution
The fourth proportional to 93,312,069.80, 139,968,104.70 and 84,354,117.80 is: 126,531,176.70
Step by Step Solution
- Step 1: Write the proportion equation
93,312,069.80 : 139,968,104.70 = 84,354,117.80 : x - Step 2: Convert to fraction form
93,312,069.80/139,968,104.70 = 84,354,117.80/x - Step 3: Cross multiply
93,312,069.80x = 139,968,104.70 × 84,354,117.80 - Step 4: Simplify right side
93,312,069.80x = 11,806,885,992,106,532 - Step 5: Solve for x
x = 11,806,885,992,106,532/93,312,069.80 - Step 6: Final answer
x = 126,531,176.70
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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.