Finding the Fourth Proportional to 128,452,565.04, 177,265,816.16 and 69,715,752
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Solution
The fourth proportional to 128,452,565.04, 177,265,816.16 and 69,715,752 is: 96,208,430.51
Step by Step Solution
- Step 1: Write the proportion equation
128,452,565.04 : 177,265,816.16 = 69,715,752 : x - Step 2: Convert to fraction form
128,452,565.04/177,265,816.16 = 69,715,752/x - Step 3: Cross multiply
128,452,565.04x = 177,265,816.16 × 69,715,752 - Step 4: Simplify right side
128,452,565.04x = 12,358,219,677,488,152 - Step 5: Solve for x
x = 12,358,219,677,488,152/128,452,565.04 - Step 6: Final answer
x = 96,208,430.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.