Home / 87,939,111.60-131,908,667.40-62,429,943.60

Finding the Fourth Proportional to 87,939,111.60, 131,908,667.40 and 62,429,943.60

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Solution

The fourth proportional to 87,939,111.60, 131,908,667.40 and 62,429,943.60 is: 93,644,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939,111.60 : 131,908,667.40 = 62,429,943.60 : x
  2. Step 2: Convert to fraction form
    87,939,111.60/131,908,667.40 = 62,429,943.60/x
  3. Step 3: Cross multiply
    87,939,111.60x = 131,908,667.40 × 62,429,943.60
  4. Step 4: Simplify right side
    87,939,111.60x = 8,235,050,666,133,159
  5. Step 5: Solve for x
    x = 8,235,050,666,133,159/87,939,111.60
  6. Step 6: Final answer
    x = 93,644,915.40

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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.