Finding the Fourth Proportional to 155,418,682.76, 214,574,576.14 and 98,935,298.68
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Solution
The fourth proportional to 155,418,682.76, 214,574,576.14 and 98,935,298.68 is: 136,592,328.56
Step by Step Solution
- Step 1: Write the proportion equation
155,418,682.76 : 214,574,576.14 = 98,935,298.68 : x - Step 2: Convert to fraction form
155,418,682.76/214,574,576.14 = 98,935,298.68/x - Step 3: Cross multiply
155,418,682.76x = 214,574,576.14 × 98,935,298.68 - Step 4: Simplify right side
155,418,682.76x = 21,228,999,779,545,300 - Step 5: Solve for x
x = 21,228,999,779,545,300/155,418,682.76 - Step 6: Final answer
x = 136,592,328.56
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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.