Home / 448,347,386.77-672,497,165.30-120,817,641.26

Finding the Fourth Proportional to 448,347,386.77, 672,497,165.30 and 120,817,641.26

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Solution

The fourth proportional to 448,347,386.77, 672,497,165.30 and 120,817,641.26 is: 181,220,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,347,386.77 : 672,497,165.30 = 120,817,641.26 : x
  2. Step 2: Convert to fraction form
    448,347,386.77/672,497,165.30 = 120,817,641.26/x
  3. Step 3: Cross multiply
    448,347,386.77x = 672,497,165.30 × 120,817,641.26
  4. Step 4: Simplify right side
    448,347,386.77x = 81,249,521,266,659,472
  5. Step 5: Solve for x
    x = 81,249,521,266,659,472/448,347,386.77
  6. Step 6: Final answer
    x = 181,220,017.48

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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.