Finding the Fourth Proportional to 126,490,323.92, 174,553,368.35 and 69,977,157.71
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Solution
The fourth proportional to 126,490,323.92, 174,553,368.35 and 69,977,157.71 is: 96,566,663.81
Step by Step Solution
- Step 1: Write the proportion equation
126,490,323.92 : 174,553,368.35 = 69,977,157.71 : x - Step 2: Convert to fraction form
126,490,323.92/174,553,368.35 = 69,977,157.71/x - Step 3: Cross multiply
126,490,323.92x = 174,553,368.35 × 69,977,157.71 - Step 4: Simplify right side
126,490,323.92x = 12,214,748,584,617,020 - Step 5: Solve for x
x = 12,214,748,584,617,020/126,490,323.92 - Step 6: Final answer
x = 96,566,663.81
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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.