Finding the Fourth Proportional to 225,113,829,249.96, 310,657,084,364.92 and 128,769,915,712.84
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Solution
The fourth proportional to 225,113,829,249.96, 310,657,084,364.92 and 128,769,915,712.84 is: 177,702,483,683.71
Step by Step Solution
- Step 1: Write the proportion equation
225,113,829,249.96 : 310,657,084,364.92 = 128,769,915,712.84 : x - Step 2: Convert to fraction form
225,113,829,249.96/310,657,084,364.92 = 128,769,915,712.84/x - Step 3: Cross multiply
225,113,829,249.96x = 310,657,084,364.92 × 128,769,915,712.84 - Step 4: Simplify right side
225,113,829,249.96x = 40,003,286,569,267,373,277,184 - Step 5: Solve for x
x = 40,003,286,569,267,373,277,184/225,113,829,249.96 - Step 6: Final answer
x = 177,702,483,683.71
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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.