Home / 65,148,430.80-97,733,705.40-19,709,864.40

Finding the Fourth Proportional to 65,148,430.80, 97,733,705.40 and 19,709,864.40

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Solution

The fourth proportional to 65,148,430.80, 97,733,705.40 and 19,709,864.40 is: 29,568,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,148,430.80 : 97,733,705.40 = 19,709,864.40 : x
  2. Step 2: Convert to fraction form
    65,148,430.80/97,733,705.40 = 19,709,864.40/x
  3. Step 3: Cross multiply
    65,148,430.80x = 97,733,705.40 × 19,709,864.40
  4. Step 4: Simplify right side
    65,148,430.80x = 1,926,318,080,743,547.75
  5. Step 5: Solve for x
    x = 1,926,318,080,743,547.75/65,148,430.80
  6. Step 6: Final answer
    x = 29,568,142.43

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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.