Finding the Fourth Proportional to 93,069,280.80, 139,603,921.20 and 61,860,408.08
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Solution
The fourth proportional to 93,069,280.80, 139,603,921.20 and 61,860,408.08 is: 92,790,612.11
Step by Step Solution
- Step 1: Write the proportion equation
93,069,280.80 : 139,603,921.20 = 61,860,408.08 : x - Step 2: Convert to fraction form
93,069,280.80/139,603,921.20 = 61,860,408.08/x - Step 3: Cross multiply
93,069,280.80x = 139,603,921.20 × 61,860,408.08 - Step 4: Simplify right side
93,069,280.80x = 8,635,955,534,302,143 - Step 5: Solve for x
x = 8,635,955,534,302,143/93,069,280.80 - Step 6: Final answer
x = 92,790,612.11
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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.