Home / 105,528,006.60-158,068,061.10-87,612,102.60

Finding the Fourth Proportional to 105,528,006.60, 158,068,061.10 and 87,612,102.60

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Solution

The fourth proportional to 105,528,006.60, 158,068,061.10 and 87,612,102.60 is: 131,232,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,528,006.60 : 158,068,061.10 = 87,612,102.60 : x
  2. Step 2: Convert to fraction form
    105,528,006.60/158,068,061.10 = 87,612,102.60/x
  3. Step 3: Cross multiply
    105,528,006.60x = 158,068,061.10 × 87,612,102.60
  4. Step 4: Simplify right side
    105,528,006.60x = 13,848,675,186,876,268
  5. Step 5: Solve for x
    x = 13,848,675,186,876,268/105,528,006.60
  6. Step 6: Final answer
    x = 131,232,225.77

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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.