Finding the Fourth Proportional to 159,402,562.07, 219,966,641.39 and 87,873,135.83
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Solution
The fourth proportional to 159,402,562.07, 219,966,641.39 and 87,873,135.83 is: 121,260,024.35
Step by Step Solution
- Step 1: Write the proportion equation
159,402,562.07 : 219,966,641.39 = 87,873,135.83 : x - Step 2: Convert to fraction form
159,402,562.07/219,966,641.39 = 87,873,135.83/x - Step 3: Cross multiply
159,402,562.07x = 219,966,641.39 × 87,873,135.83 - Step 4: Simplify right side
159,402,562.07x = 19,329,158,557,867,484 - Step 5: Solve for x
x = 19,329,158,557,867,484/159,402,562.07 - Step 6: Final answer
x = 121,260,024.35
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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.