Home / 105,514,288.60-158,271,432.90-87,374,435.80

Finding the Fourth Proportional to 105,514,288.60, 158,271,432.90 and 87,374,435.80

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Solution

The fourth proportional to 105,514,288.60, 158,271,432.90 and 87,374,435.80 is: 131,061,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,514,288.60 : 158,271,432.90 = 87,374,435.80 : x
  2. Step 2: Convert to fraction form
    105,514,288.60/158,271,432.90 = 87,374,435.80/x
  3. Step 3: Cross multiply
    105,514,288.60x = 158,271,432.90 × 87,374,435.80
  4. Step 4: Simplify right side
    105,514,288.60x = 13,828,877,152,895,058
  5. Step 5: Solve for x
    x = 13,828,877,152,895,058/105,514,288.60
  6. Step 6: Final answer
    x = 131,061,653.70

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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.