Home / 104,259,699.90-143,868,875.60-61,865,952.89

Finding the Fourth Proportional to 104,259,699.90, 143,868,875.60 and 61,865,952.89

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Solution

The fourth proportional to 104,259,699.90, 143,868,875.60 and 61,865,952.89 is: 85,369,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,259,699.90 : 143,868,875.60 = 61,865,952.89 : x
  2. Step 2: Convert to fraction form
    104,259,699.90/143,868,875.60 = 61,865,952.89/x
  3. Step 3: Cross multiply
    104,259,699.90x = 143,868,875.60 × 61,865,952.89
  4. Step 4: Simplify right side
    104,259,699.90x = 8,900,585,079,178,196
  5. Step 5: Solve for x
    x = 8,900,585,079,178,196/104,259,699.90
  6. Step 6: Final answer
    x = 85,369,371.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.