Finding the Fourth Proportional to 74,920,305.70, 112,254,487.35 and 62,071,243.30
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Solution
The fourth proportional to 74,920,305.70, 112,254,487.35 and 62,071,243.30 is: 93,002,498.20
Step by Step Solution
- Step 1: Write the proportion equation
74,920,305.70 : 112,254,487.35 = 62,071,243.30 : x - Step 2: Convert to fraction form
74,920,305.70/112,254,487.35 = 62,071,243.30/x - Step 3: Cross multiply
74,920,305.70x = 112,254,487.35 × 62,071,243.30 - Step 4: Simplify right side
74,920,305.70x = 6,967,775,595,818,622 - Step 5: Solve for x
x = 6,967,775,595,818,622/74,920,305.70 - Step 6: Final answer
x = 93,002,498.20
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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.