Home / 42,767,339.60-64,009,291.80-39,366,117.20

Finding the Fourth Proportional to 42,767,339.60, 64,009,291.80 and 39,366,117.20

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Solution

The fourth proportional to 42,767,339.60, 64,009,291.80 and 39,366,117.20 is: 58,918,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767,339.60 : 64,009,291.80 = 39,366,117.20 : x
  2. Step 2: Convert to fraction form
    42,767,339.60/64,009,291.80 = 39,366,117.20/x
  3. Step 3: Cross multiply
    42,767,339.60x = 64,009,291.80 × 39,366,117.20
  4. Step 4: Simplify right side
    42,767,339.60x = 2,519,797,282,887,799
  5. Step 5: Solve for x
    x = 2,519,797,282,887,799/42,767,339.60
  6. Step 6: Final answer
    x = 58,918,728.79

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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.