Home / 43,009,421.20-64,514,131.80-42,014,093.20

Finding the Fourth Proportional to 43,009,421.20, 64,514,131.80 and 42,014,093.20

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Solution

The fourth proportional to 43,009,421.20, 64,514,131.80 and 42,014,093.20 is: 63,021,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009,421.20 : 64,514,131.80 = 42,014,093.20 : x
  2. Step 2: Convert to fraction form
    43,009,421.20/64,514,131.80 = 42,014,093.20/x
  3. Step 3: Cross multiply
    43,009,421.20x = 64,514,131.80 × 42,014,093.20
  4. Step 4: Simplify right side
    43,009,421.20x = 2,710,502,746,162,284
  5. Step 5: Solve for x
    x = 2,710,502,746,162,284/43,009,421.20
  6. Step 6: Final answer
    x = 63,021,139.80

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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.