Home / 88,992,026.40-133,362,068.40-78,158,503.20

Finding the Fourth Proportional to 88,992,026.40, 133,362,068.40 and 78,158,503.20

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Solution

The fourth proportional to 88,992,026.40, 133,362,068.40 and 78,158,503.20 is: 117,127,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,992,026.40 : 133,362,068.40 = 78,158,503.20 : x
  2. Step 2: Convert to fraction form
    88,992,026.40/133,362,068.40 = 78,158,503.20/x
  3. Step 3: Cross multiply
    88,992,026.40x = 133,362,068.40 × 78,158,503.20
  4. Step 4: Simplify right side
    88,992,026.40x = 10,423,379,649,800,020
  5. Step 5: Solve for x
    x = 10,423,379,649,800,020/88,992,026.40
  6. Step 6: Final answer
    x = 117,127,118.82

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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.