Home / 120,547,030.40-166,352,941.92-65,544,272

Finding the Fourth Proportional to 120,547,030.40, 166,352,941.92 and 65,544,272

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Solution

The fourth proportional to 120,547,030.40, 166,352,941.92 and 65,544,272 is: 90,450,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,547,030.40 : 166,352,941.92 = 65,544,272 : x
  2. Step 2: Convert to fraction form
    120,547,030.40/166,352,941.92 = 65,544,272/x
  3. Step 3: Cross multiply
    120,547,030.40x = 166,352,941.92 × 65,544,272
  4. Step 4: Simplify right side
    120,547,030.40x = 10,903,482,473,204,682
  5. Step 5: Solve for x
    x = 10,903,482,473,204,682/120,547,030.40
  6. Step 6: Final answer
    x = 90,450,029.64

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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.