Finding the Fourth Proportional to 87,021,305.84, 130,498,406.53 and 38,472,513.23
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Solution
The fourth proportional to 87,021,305.84, 130,498,406.53 and 38,472,513.23 is: 57,693,936.25
Step by Step Solution
- Step 1: Write the proportion equation
87,021,305.84 : 130,498,406.53 = 38,472,513.23 : x - Step 2: Convert to fraction form
87,021,305.84/130,498,406.53 = 38,472,513.23/x - Step 3: Cross multiply
87,021,305.84x = 130,498,406.53 × 38,472,513.23 - Step 4: Simplify right side
87,021,305.84x = 5,020,601,671,949,408 - Step 5: Solve for x
x = 5,020,601,671,949,408/87,021,305.84 - Step 6: Final answer
x = 57,693,936.25
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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.