Finding the Fourth Proportional to 76,856,264.78, 106,064,174.68 and 42,048,158.68
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Solution
The fourth proportional to 76,856,264.78, 106,064,174.68 and 42,048,158.68 is: 58,027,842.75
Step by Step Solution
- Step 1: Write the proportion equation
76,856,264.78 : 106,064,174.68 = 42,048,158.68 : x - Step 2: Convert to fraction form
76,856,264.78/106,064,174.68 = 42,048,158.68/x - Step 3: Cross multiply
76,856,264.78x = 106,064,174.68 × 42,048,158.68 - Step 4: Simplify right side
76,856,264.78x = 4,459,803,247,207,878.50 - Step 5: Solve for x
x = 4,459,803,247,207,878.50/76,856,264.78 - Step 6: Final answer
x = 58,027,842.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.