Home / 65,166,860.40-97,763,412.60-19,108,640.40

Finding the Fourth Proportional to 65,166,860.40, 97,763,412.60 and 19,108,640.40

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Solution

The fourth proportional to 65,166,860.40, 97,763,412.60 and 19,108,640.40 is: 28,666,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166,860.40 : 97,763,412.60 = 19,108,640.40 : x
  2. Step 2: Convert to fraction form
    65,166,860.40/97,763,412.60 = 19,108,640.40/x
  3. Step 3: Cross multiply
    65,166,860.40x = 97,763,412.60 × 19,108,640.40
  4. Step 4: Simplify right side
    65,166,860.40x = 1,868,125,895,650,228.75
  5. Step 5: Solve for x
    x = 1,868,125,895,650,228.75/65,166,860.40
  6. Step 6: Final answer
    x = 28,666,808.32

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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.