Home / 65,148,420.80-97,733,690.40-19,709,854.40

Finding the Fourth Proportional to 65,148,420.80, 97,733,690.40 and 19,709,854.40

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Solution

The fourth proportional to 65,148,420.80, 97,733,690.40 and 19,709,854.40 is: 29,568,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,148,420.80 : 97,733,690.40 = 19,709,854.40 : x
  2. Step 2: Convert to fraction form
    65,148,420.80/97,733,690.40 = 19,709,854.40/x
  3. Step 3: Cross multiply
    65,148,420.80x = 97,733,690.40 × 19,709,854.40
  4. Step 4: Simplify right side
    65,148,420.80x = 1,926,316,807,758,677.75
  5. Step 5: Solve for x
    x = 1,926,316,807,758,677.75/65,148,420.80
  6. Step 6: Final answer
    x = 29,568,127.43

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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.