Home / 42,767,461.60-64,009,474.80-39,366,239.20

Finding the Fourth Proportional to 42,767,461.60, 64,009,474.80 and 39,366,239.20

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Solution

The fourth proportional to 42,767,461.60, 64,009,474.80 and 39,366,239.20 is: 58,918,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767,461.60 : 64,009,474.80 = 39,366,239.20 : x
  2. Step 2: Convert to fraction form
    42,767,461.60/64,009,474.80 = 39,366,239.20/x
  3. Step 3: Cross multiply
    42,767,461.60x = 64,009,474.80 × 39,366,239.20
  4. Step 4: Simplify right side
    42,767,461.60x = 2,519,812,296,043,172
  5. Step 5: Solve for x
    x = 2,519,812,296,043,172/42,767,461.60
  6. Step 6: Final answer
    x = 58,918,911.76

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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.