Finding the Fourth Proportional to 140,290,041.77, 193,607,005.42 and 77,564,979.08
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Solution
The fourth proportional to 140,290,041.77, 193,607,005.42 and 77,564,979.08 is: 107,043,401.91
Step by Step Solution
- Step 1: Write the proportion equation
140,290,041.77 : 193,607,005.42 = 77,564,979.08 : x - Step 2: Convert to fraction form
140,290,041.77/193,607,005.42 = 77,564,979.08/x - Step 3: Cross multiply
140,290,041.77x = 193,607,005.42 × 77,564,979.08 - Step 4: Simplify right side
140,290,041.77x = 15,017,123,325,869,776 - Step 5: Solve for x
x = 15,017,123,325,869,776/140,290,041.77 - Step 6: Final answer
x = 107,043,401.91
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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.