Finding the Fourth Proportional to 90,224,645.06, 124,506,676.13 and 48,970,651.70
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Solution
The fourth proportional to 90,224,645.06, 124,506,676.13 and 48,970,651.70 is: 67,577,689.74
Step by Step Solution
- Step 1: Write the proportion equation
90,224,645.06 : 124,506,676.13 = 48,970,651.70 : x - Step 2: Convert to fraction form
90,224,645.06/124,506,676.13 = 48,970,651.70/x - Step 3: Cross multiply
90,224,645.06x = 124,506,676.13 × 48,970,651.70 - Step 4: Simplify right side
90,224,645.06x = 6,097,173,070,219,547 - Step 5: Solve for x
x = 6,097,173,070,219,547/90,224,645.06 - Step 6: Final answer
x = 67,577,689.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.