Finding the Fourth Proportional to 93,312,000.30, 139,968,000.45 and 92,416,205.10
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Solution
The fourth proportional to 93,312,000.30, 139,968,000.45 and 92,416,205.10 is: 138,624,307.65
Step by Step Solution
- Step 1: Write the proportion equation
93,312,000.30 : 139,968,000.45 = 92,416,205.10 : x - Step 2: Convert to fraction form
93,312,000.30/139,968,000.45 = 92,416,205.10/x - Step 3: Cross multiply
93,312,000.30x = 139,968,000.45 × 92,416,205.10 - Step 4: Simplify right side
93,312,000.30x = 12,935,311,437,024,090 - Step 5: Solve for x
x = 12,935,311,437,024,090/93,312,000.30 - Step 6: Final answer
x = 138,624,307.65
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Double scale
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Similar ratio
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1.5x scale
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.