Home / 76,806,176.46-105,983,818.38-45,445,186.98

Finding the Fourth Proportional to 76,806,176.46, 105,983,818.38 and 45,445,186.98

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Solution

The fourth proportional to 76,806,176.46, 105,983,818.38 and 45,445,186.98 is: 62,709,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,806,176.46 : 105,983,818.38 = 45,445,186.98 : x
  2. Step 2: Convert to fraction form
    76,806,176.46/105,983,818.38 = 45,445,186.98/x
  3. Step 3: Cross multiply
    76,806,176.46x = 105,983,818.38 × 45,445,186.98
  4. Step 4: Simplify right side
    76,806,176.46x = 4,816,454,443,133,460
  5. Step 5: Solve for x
    x = 4,816,454,443,133,460/76,806,176.46
  6. Step 6: Final answer
    x = 62,709,207.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.