Finding the Fourth Proportional to 128,860,346.84, 177,829,418.98 and 70,125,487.52
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Solution
The fourth proportional to 128,860,346.84, 177,829,418.98 and 70,125,487.52 is: 96,774,337.55
Step by Step Solution
- Step 1: Write the proportion equation
128,860,346.84 : 177,829,418.98 = 70,125,487.52 : x - Step 2: Convert to fraction form
128,860,346.84/177,829,418.98 = 70,125,487.52/x - Step 3: Cross multiply
128,860,346.84x = 177,829,418.98 × 70,125,487.52 - Step 4: Simplify right side
128,860,346.84x = 12,470,374,701,370,840 - Step 5: Solve for x
x = 12,470,374,701,370,840/128,860,346.84 - Step 6: Final answer
x = 96,774,337.55
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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.