Finding the Fourth Proportional to 42,189,038.29, 63,599,772.98 and 39,376,708.71
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Solution
The fourth proportional to 42,189,038.29, 63,599,772.98 and 39,376,708.71 is: 59,360,199.61
Step by Step Solution
- Step 1: Write the proportion equation
42,189,038.29 : 63,599,772.98 = 39,376,708.71 : x - Step 2: Convert to fraction form
42,189,038.29/63,599,772.98 = 39,376,708.71/x - Step 3: Cross multiply
42,189,038.29x = 63,599,772.98 × 39,376,708.71 - Step 4: Simplify right side
42,189,038.29x = 2,504,349,734,515,531 - Step 5: Solve for x
x = 2,504,349,734,515,531/42,189,038.29 - Step 6: Final answer
x = 59,360,199.61
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.