Home / 86,793,973.80-130,340,259.90-61,413,109.80

Finding the Fourth Proportional to 86,793,973.80, 130,340,259.90 and 61,413,109.80

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Solution

The fourth proportional to 86,793,973.80, 130,340,259.90 and 61,413,109.80 is: 92,225,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793,973.80 : 130,340,259.90 = 61,413,109.80 : x
  2. Step 2: Convert to fraction form
    86,793,973.80/130,340,259.90 = 61,413,109.80/x
  3. Step 3: Cross multiply
    86,793,973.80x = 130,340,259.90 × 61,413,109.80
  4. Step 4: Simplify right side
    86,793,973.80x = 8,004,600,692,599,237
  5. Step 5: Solve for x
    x = 8,004,600,692,599,237/86,793,973.80
  6. Step 6: Final answer
    x = 92,225,304.85

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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.