Finding the Fourth Proportional to 163,948,688.41, 245,886,771.93 and 47,338,742.23
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Solution
The fourth proportional to 163,948,688.41, 245,886,771.93 and 47,338,742.23 is: 70,997,643.39
Step by Step Solution
- Step 1: Write the proportion equation
163,948,688.41 : 245,886,771.93 = 47,338,742.23 : x - Step 2: Convert to fraction form
163,948,688.41/245,886,771.93 = 47,338,742.23/x - Step 3: Cross multiply
163,948,688.41x = 245,886,771.93 × 47,338,742.23 - Step 4: Simplify right side
163,948,688.41x = 11,639,970,514,161,070 - Step 5: Solve for x
x = 11,639,970,514,161,070/163,948,688.41 - Step 6: Final answer
x = 70,997,643.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.