Finding the Fourth Proportional to 93,202,431.34, 139,781,218.92 and 28,506,794.98
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Solution
The fourth proportional to 93,202,431.34, 139,781,218.92 and 28,506,794.98 is: 42,753,332.64
Step by Step Solution
- Step 1: Write the proportion equation
93,202,431.34 : 139,781,218.92 = 28,506,794.98 : x - Step 2: Convert to fraction form
93,202,431.34/139,781,218.92 = 28,506,794.98/x - Step 3: Cross multiply
93,202,431.34x = 139,781,218.92 × 28,506,794.98 - Step 4: Simplify right side
93,202,431.34x = 3,984,714,549,806,936.50 - Step 5: Solve for x
x = 3,984,714,549,806,936.50/93,202,431.34 - Step 6: Final answer
x = 42,753,332.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.