Finding the Fourth Proportional to 93,312,830.70, 139,969,246.05 and 86,935,538.70
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Solution
The fourth proportional to 93,312,830.70, 139,969,246.05 and 86,935,538.70 is: 130,403,308.05
Step by Step Solution
- Step 1: Write the proportion equation
93,312,830.70 : 139,969,246.05 = 86,935,538.70 : x - Step 2: Convert to fraction form
93,312,830.70/139,969,246.05 = 86,935,538.70/x - Step 3: Cross multiply
93,312,830.70x = 139,969,246.05 × 86,935,538.70 - Step 4: Simplify right side
93,312,830.70x = 12,168,301,806,789,598 - Step 5: Solve for x
x = 12,168,301,806,789,598/93,312,830.70 - Step 6: Final answer
x = 130,403,308.05
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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.