Finding the Fourth Proportional to 93,312,272.60, 139,968,408.90 and 28,615,563.80
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Solution
The fourth proportional to 93,312,272.60, 139,968,408.90 and 28,615,563.80 is: 42,923,345.70
Step by Step Solution
- Step 1: Write the proportion equation
93,312,272.60 : 139,968,408.90 = 28,615,563.80 : x - Step 2: Convert to fraction form
93,312,272.60/139,968,408.90 = 28,615,563.80/x - Step 3: Cross multiply
93,312,272.60x = 139,968,408.90 × 28,615,563.80 - Step 4: Simplify right side
93,312,272.60x = 4,005,274,934,862,438 - Step 5: Solve for x
x = 4,005,274,934,862,438/93,312,272.60 - Step 6: Final answer
x = 42,923,345.70
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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.