Home / 66,434,681.40-99,652,022.10-65,805,535.80

Finding the Fourth Proportional to 66,434,681.40, 99,652,022.10 and 65,805,535.80

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Solution

The fourth proportional to 66,434,681.40, 99,652,022.10 and 65,805,535.80 is: 98,708,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,681.40 : 99,652,022.10 = 65,805,535.80 : x
  2. Step 2: Convert to fraction form
    66,434,681.40/99,652,022.10 = 65,805,535.80/x
  3. Step 3: Cross multiply
    66,434,681.40x = 99,652,022.10 × 65,805,535.80
  4. Step 4: Simplify right side
    66,434,681.40x = 6,557,654,707,843,940
  5. Step 5: Solve for x
    x = 6,557,654,707,843,940/66,434,681.40
  6. Step 6: Final answer
    x = 98,708,303.70

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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.