Finding the Fourth Proportional to 93,312,071.40, 139,968,107.10 and 74,038,477.80
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Solution
The fourth proportional to 93,312,071.40, 139,968,107.10 and 74,038,477.80 is: 111,057,716.70
Step by Step Solution
- Step 1: Write the proportion equation
93,312,071.40 : 139,968,107.10 = 74,038,477.80 : x - Step 2: Convert to fraction form
93,312,071.40/139,968,107.10 = 74,038,477.80/x - Step 3: Cross multiply
93,312,071.40x = 139,968,107.10 × 74,038,477.80 - Step 4: Simplify right side
93,312,071.40x = 10,363,025,590,231,372 - Step 5: Solve for x
x = 10,363,025,590,231,372/93,312,071.40 - Step 6: Final answer
x = 111,057,716.70
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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.