Home / 86,712,755.76-130,069,189.80-22,021,412.40

Finding the Fourth Proportional to 86,712,755.76, 130,069,189.80 and 22,021,412.40

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Solution

The fourth proportional to 86,712,755.76, 130,069,189.80 and 22,021,412.40 is: 33,032,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,712,755.76 : 130,069,189.80 = 22,021,412.40 : x
  2. Step 2: Convert to fraction form
    86,712,755.76/130,069,189.80 = 22,021,412.40/x
  3. Step 3: Cross multiply
    86,712,755.76x = 130,069,189.80 × 22,021,412.40
  4. Step 4: Simplify right side
    86,712,755.76x = 2,864,307,269,119,673.50
  5. Step 5: Solve for x
    x = 2,864,307,269,119,673.50/86,712,755.76
  6. Step 6: Final answer
    x = 33,032,132.86

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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.