Home / 86,893,520.40-130,340,280.60-56,660,432.40

Finding the Fourth Proportional to 86,893,520.40, 130,340,280.60 and 56,660,432.40

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Solution

The fourth proportional to 86,893,520.40, 130,340,280.60 and 56,660,432.40 is: 84,990,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,893,520.40 : 130,340,280.60 = 56,660,432.40 : x
  2. Step 2: Convert to fraction form
    86,893,520.40/130,340,280.60 = 56,660,432.40/x
  3. Step 3: Cross multiply
    86,893,520.40x = 130,340,280.60 × 56,660,432.40
  4. Step 4: Simplify right side
    86,893,520.40x = 7,385,136,657,933,331
  5. Step 5: Solve for x
    x = 7,385,136,657,933,331/86,893,520.40
  6. Step 6: Final answer
    x = 84,990,648.60

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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.