Home / 58,214,521.60-87,321,782.40-51,720,006.40

Finding the Fourth Proportional to 58,214,521.60, 87,321,782.40 and 51,720,006.40

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Solution

The fourth proportional to 58,214,521.60, 87,321,782.40 and 51,720,006.40 is: 77,580,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,214,521.60 : 87,321,782.40 = 51,720,006.40 : x
  2. Step 2: Convert to fraction form
    58,214,521.60/87,321,782.40 = 51,720,006.40/x
  3. Step 3: Cross multiply
    58,214,521.60x = 87,321,782.40 × 51,720,006.40
  4. Step 4: Simplify right side
    58,214,521.60x = 4,516,283,144,587,408
  5. Step 5: Solve for x
    x = 4,516,283,144,587,408/58,214,521.60
  6. Step 6: Final answer
    x = 77,580,009.60

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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.