Finding the Fourth Proportional to 157,090,616.34, 216,681,172.28 and 98,251,129.58
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Solution
The fourth proportional to 157,090,616.34, 216,681,172.28 and 98,251,129.58 is: 135,521,588.94
Step by Step Solution
- Step 1: Write the proportion equation
157,090,616.34 : 216,681,172.28 = 98,251,129.58 : x - Step 2: Convert to fraction form
157,090,616.34/216,681,172.28 = 98,251,129.58/x - Step 3: Cross multiply
157,090,616.34x = 216,681,172.28 × 98,251,129.58 - Step 4: Simplify right side
157,090,616.34x = 21,289,169,933,653,924 - Step 5: Solve for x
x = 21,289,169,933,653,924/157,090,616.34 - Step 6: Final answer
x = 135,521,588.94
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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.