Finding the Fourth Proportional to 75,044,285.94, 103,552,412.67 and 42,006,385.02
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Solution
The fourth proportional to 75,044,285.94, 103,552,412.67 and 42,006,385.02 is: 57,963,940.38
Step by Step Solution
- Step 1: Write the proportion equation
75,044,285.94 : 103,552,412.67 = 42,006,385.02 : x - Step 2: Convert to fraction form
75,044,285.94/103,552,412.67 = 42,006,385.02/x - Step 3: Cross multiply
75,044,285.94x = 103,552,412.67 × 42,006,385.02 - Step 4: Simplify right side
75,044,285.94x = 4,349,862,516,365,946.50 - Step 5: Solve for x
x = 4,349,862,516,365,946.50/75,044,285.94 - Step 6: Final answer
x = 57,963,940.38
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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.