Finding the Fourth Proportional to 93,312,125.70, 139,968,188.55 and 86,934,833.70
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Solution
The fourth proportional to 93,312,125.70, 139,968,188.55 and 86,934,833.70 is: 130,402,250.55
Step by Step Solution
- Step 1: Write the proportion equation
93,312,125.70 : 139,968,188.55 = 86,934,833.70 : x - Step 2: Convert to fraction form
93,312,125.70/139,968,188.55 = 86,934,833.70/x - Step 3: Cross multiply
93,312,125.70x = 139,968,188.55 × 86,934,833.70 - Step 4: Simplify right side
93,312,125.70x = 12,168,111,194,884,496 - Step 5: Solve for x
x = 12,168,111,194,884,496/93,312,125.70 - Step 6: Final answer
x = 130,402,250.55
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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.