Finding the Fourth Proportional to 98,671,541.76, 136,165,078.62 and 54,617,595.48
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Solution
The fourth proportional to 98,671,541.76, 136,165,078.62 and 54,617,595.48 is: 75,371,368.99
Step by Step Solution
- Step 1: Write the proportion equation
98,671,541.76 : 136,165,078.62 = 54,617,595.48 : x - Step 2: Convert to fraction form
98,671,541.76/136,165,078.62 = 54,617,595.48/x - Step 3: Cross multiply
98,671,541.76x = 136,165,078.62 × 54,617,595.48 - Step 4: Simplify right side
98,671,541.76x = 7,437,009,182,569,556 - Step 5: Solve for x
x = 7,437,009,182,569,556/98,671,541.76 - Step 6: Final answer
x = 75,371,368.99
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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.