Home / 56,883,011.28-78,490,139.31-34,544,380.92

Finding the Fourth Proportional to 56,883,011.28, 78,490,139.31 and 34,544,380.92

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Solution

The fourth proportional to 56,883,011.28, 78,490,139.31 and 34,544,380.92 is: 47,666,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,883,011.28 : 78,490,139.31 = 34,544,380.92 : x
  2. Step 2: Convert to fraction form
    56,883,011.28/78,490,139.31 = 34,544,380.92/x
  3. Step 3: Cross multiply
    56,883,011.28x = 78,490,139.31 × 34,544,380.92
  4. Step 4: Simplify right side
    56,883,011.28x = 2,711,393,270,788,506
  5. Step 5: Solve for x
    x = 2,711,393,270,788,506/56,883,011.28
  6. Step 6: Final answer
    x = 47,666,134.58

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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.