Home / 65,160,911.80-97,752,426.90-19,722,345.40

Finding the Fourth Proportional to 65,160,911.80, 97,752,426.90 and 19,722,345.40

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Solution

The fourth proportional to 65,160,911.80, 97,752,426.90 and 19,722,345.40 is: 29,586,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,160,911.80 : 97,752,426.90 = 19,722,345.40 : x
  2. Step 2: Convert to fraction form
    65,160,911.80/97,752,426.90 = 19,722,345.40/x
  3. Step 3: Cross multiply
    65,160,911.80x = 97,752,426.90 × 19,722,345.40
  4. Step 4: Simplify right side
    65,160,911.80x = 1,927,907,127,010,051.25
  5. Step 5: Solve for x
    x = 1,927,907,127,010,051.25/65,160,911.80
  6. Step 6: Final answer
    x = 29,586,865.40

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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.