Home / 210,095,702.07-315,186,070.28-73,791,714.39

Finding the Fourth Proportional to 210,095,702.07, 315,186,070.28 and 73,791,714.39

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Solution

The fourth proportional to 210,095,702.07, 315,186,070.28 and 73,791,714.39 is: 110,702,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,095,702.07 : 315,186,070.28 = 73,791,714.39 : x
  2. Step 2: Convert to fraction form
    210,095,702.07/315,186,070.28 = 73,791,714.39/x
  3. Step 3: Cross multiply
    210,095,702.07x = 315,186,070.28 × 73,791,714.39
  4. Step 4: Simplify right side
    210,095,702.07x = 23,258,120,477,439,268
  5. Step 5: Solve for x
    x = 23,258,120,477,439,268/210,095,702.07
  6. Step 6: Final answer
    x = 110,702,504.85

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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.