Home / 58,717,320.80-87,901,798.80-43,638,101.60

Finding the Fourth Proportional to 58,717,320.80, 87,901,798.80 and 43,638,101.60

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Solution

The fourth proportional to 58,717,320.80, 87,901,798.80 and 43,638,101.60 is: 65,327,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,717,320.80 : 87,901,798.80 = 43,638,101.60 : x
  2. Step 2: Convert to fraction form
    58,717,320.80/87,901,798.80 = 43,638,101.60/x
  3. Step 3: Cross multiply
    58,717,320.80x = 87,901,798.80 × 43,638,101.60
  4. Step 4: Simplify right side
    58,717,320.80x = 3,835,867,626,857,158
  5. Step 5: Solve for x
    x = 3,835,867,626,857,158/58,717,320.80
  6. Step 6: Final answer
    x = 65,327,701.85

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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.