Finding the Fourth Proportional to 88,167,038.76, 121,671,968.58 and 48,476,246.76
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Solution
The fourth proportional to 88,167,038.76, 121,671,968.58 and 48,476,246.76 is: 66,898,020.57
Step by Step Solution
- Step 1: Write the proportion equation
88,167,038.76 : 121,671,968.58 = 48,476,246.76 : x - Step 2: Convert to fraction form
88,167,038.76/121,671,968.58 = 48,476,246.76/x - Step 3: Cross multiply
88,167,038.76x = 121,671,968.58 × 48,476,246.76 - Step 4: Simplify right side
88,167,038.76x = 5,898,200,372,659,046 - Step 5: Solve for x
x = 5,898,200,372,659,046/88,167,038.76 - Step 6: Final answer
x = 66,898,020.57
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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.