Finding the Fourth Proportional to 159,877,347.90, 239,438,252.97 and 78,052,262.46
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Solution
The fourth proportional to 159,877,347.90, 239,438,252.97 and 78,052,262.46 is: 116,893,966.59
Step by Step Solution
- Step 1: Write the proportion equation
159,877,347.90 : 239,438,252.97 = 78,052,262.46 : x - Step 2: Convert to fraction form
159,877,347.90/239,438,252.97 = 78,052,262.46/x - Step 3: Cross multiply
159,877,347.90x = 239,438,252.97 × 78,052,262.46 - Step 4: Simplify right side
159,877,347.90x = 18,688,697,363,778,312 - Step 5: Solve for x
x = 18,688,697,363,778,312/159,877,347.90 - Step 6: Final answer
x = 116,893,966.59
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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.