Finding the Fourth Proportional to 42,655,124.08, 58,871,109.96 and 26,144,432.80
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Solution
The fourth proportional to 42,655,124.08, 58,871,109.96 and 26,144,432.80 is: 36,083,631.48
Step by Step Solution
- Step 1: Write the proportion equation
42,655,124.08 : 58,871,109.96 = 26,144,432.80 : x - Step 2: Convert to fraction form
42,655,124.08/58,871,109.96 = 26,144,432.80/x - Step 3: Cross multiply
42,655,124.08x = 58,871,109.96 × 26,144,432.80 - Step 4: Simplify right side
42,655,124.08x = 1,539,151,778,210,630.75 - Step 5: Solve for x
x = 1,539,151,778,210,630.75/42,655,124.08 - Step 6: Final answer
x = 36,083,631.48
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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.