Home / 65,249,566.80-97,853,417.04-21,520,494.64

Finding the Fourth Proportional to 65,249,566.80, 97,853,417.04 and 21,520,494.64

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Solution

The fourth proportional to 65,249,566.80, 97,853,417.04 and 21,520,494.64 is: 32,273,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,249,566.80 : 97,853,417.04 = 21,520,494.64 : x
  2. Step 2: Convert to fraction form
    65,249,566.80/97,853,417.04 = 21,520,494.64/x
  3. Step 3: Cross multiply
    65,249,566.80x = 97,853,417.04 × 21,520,494.64
  4. Step 4: Simplify right side
    65,249,566.80x = 2,105,853,936,915,004.75
  5. Step 5: Solve for x
    x = 2,105,853,936,915,004.75/65,249,566.80
  6. Step 6: Final answer
    x = 32,273,837.82

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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.