Home / 56,889,800.98-78,508,061.82-30,784,598.93

Finding the Fourth Proportional to 56,889,800.98, 78,508,061.82 and 30,784,598.93

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Solution

The fourth proportional to 56,889,800.98, 78,508,061.82 and 30,784,598.93 is: 42,482,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,889,800.98 : 78,508,061.82 = 30,784,598.93 : x
  2. Step 2: Convert to fraction form
    56,889,800.98/78,508,061.82 = 30,784,598.93/x
  3. Step 3: Cross multiply
    56,889,800.98x = 78,508,061.82 × 30,784,598.93
  4. Step 4: Simplify right side
    56,889,800.98x = 2,416,839,195,900,345.50
  5. Step 5: Solve for x
    x = 2,416,839,195,900,345.50/56,889,800.98
  6. Step 6: Final answer
    x = 42,482,820.37

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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.