Finding the Fourth Proportional to 78,478,295.04, 117,547,303.68 and 38,003,904
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Solution
The fourth proportional to 78,478,295.04, 117,547,303.68 and 38,003,904 is: 56,923,464.54
Step by Step Solution
- Step 1: Write the proportion equation
78,478,295.04 : 117,547,303.68 = 38,003,904 : x - Step 2: Convert to fraction form
78,478,295.04/117,547,303.68 = 38,003,904/x - Step 3: Cross multiply
78,478,295.04x = 117,547,303.68 × 38,003,904 - Step 4: Simplify right side
78,478,295.04x = 4,467,256,444,513,567 - Step 5: Solve for x
x = 4,467,256,444,513,567/78,478,295.04 - Step 6: Final answer
x = 56,923,464.54
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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.