Finding the Fourth Proportional to 93,312,328.60, 139,968,492.90 and 52,497,659.80
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Solution
The fourth proportional to 93,312,328.60, 139,968,492.90 and 52,497,659.80 is: 78,746,489.70
Step by Step Solution
- Step 1: Write the proportion equation
93,312,328.60 : 139,968,492.90 = 52,497,659.80 : x - Step 2: Convert to fraction form
93,312,328.60/139,968,492.90 = 52,497,659.80/x - Step 3: Cross multiply
93,312,328.60x = 139,968,492.90 × 52,497,659.80 - Step 4: Simplify right side
93,312,328.60x = 7,348,018,322,982,915 - Step 5: Solve for x
x = 7,348,018,322,982,915/93,312,328.60 - Step 6: Final answer
x = 78,746,489.70
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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.