Finding the Fourth Proportional to 93,163,385.69, 139,771,003.58 and 40,645,652.57
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Solution
The fourth proportional to 93,163,385.69, 139,771,003.58 and 40,645,652.57 is: 60,979,789.53
Step by Step Solution
- Step 1: Write the proportion equation
93,163,385.69 : 139,771,003.58 = 40,645,652.57 : x - Step 2: Convert to fraction form
93,163,385.69/139,771,003.58 = 40,645,652.57/x - Step 3: Cross multiply
93,163,385.69x = 139,771,003.58 × 40,645,652.57 - Step 4: Simplify right side
93,163,385.69x = 5,681,083,651,064,628 - Step 5: Solve for x
x = 5,681,083,651,064,628/93,163,385.69 - Step 6: Final answer
x = 60,979,789.53
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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.