Finding the Fourth Proportional to 93,312,089.70, 139,968,134.55 and 69,125,619.30
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Solution
The fourth proportional to 93,312,089.70, 139,968,134.55 and 69,125,619.30 is: 103,688,428.95
Step by Step Solution
- Step 1: Write the proportion equation
93,312,089.70 : 139,968,134.55 = 69,125,619.30 : x - Step 2: Convert to fraction form
93,312,089.70/139,968,134.55 = 69,125,619.30/x - Step 3: Cross multiply
93,312,089.70x = 139,968,134.55 × 69,125,619.30 - Step 4: Simplify right side
93,312,089.70x = 9,675,383,983,034,478 - Step 5: Solve for x
x = 9,675,383,983,034,478/93,312,089.70 - Step 6: Final answer
x = 103,688,428.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.