Home / 86,793,970.80-130,340,255.40-61,413,106.80

Finding the Fourth Proportional to 86,793,970.80, 130,340,255.40 and 61,413,106.80

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Solution

The fourth proportional to 86,793,970.80, 130,340,255.40 and 61,413,106.80 is: 92,225,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793,970.80 : 130,340,255.40 = 61,413,106.80 : x
  2. Step 2: Convert to fraction form
    86,793,970.80/130,340,255.40 = 61,413,106.80/x
  3. Step 3: Cross multiply
    86,793,970.80x = 130,340,255.40 × 61,413,106.80
  4. Step 4: Simplify right side
    86,793,970.80x = 8,004,600,025,219,477
  5. Step 5: Solve for x
    x = 8,004,600,025,219,477/86,793,970.80
  6. Step 6: Final answer
    x = 92,225,300.35

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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.