Home / 127,478,747.70-191,218,121.55-116,849,927.70

Finding the Fourth Proportional to 127,478,747.70, 191,218,121.55 and 116,849,927.70

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Solution

The fourth proportional to 127,478,747.70, 191,218,121.55 and 116,849,927.70 is: 175,274,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,478,747.70 : 191,218,121.55 = 116,849,927.70 : x
  2. Step 2: Convert to fraction form
    127,478,747.70/191,218,121.55 = 116,849,927.70/x
  3. Step 3: Cross multiply
    127,478,747.70x = 191,218,121.55 × 116,849,927.70
  4. Step 4: Simplify right side
    127,478,747.70x = 22,343,823,678,047,312
  5. Step 5: Solve for x
    x = 22,343,823,678,047,312/127,478,747.70
  6. Step 6: Final answer
    x = 175,274,891.55

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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.