Home / 210,095,832.86-315,186,266.73-73,791,845.18

Finding the Fourth Proportional to 210,095,832.86, 315,186,266.73 and 73,791,845.18

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Solution

The fourth proportional to 210,095,832.86, 315,186,266.73 and 73,791,845.18 is: 110,702,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,095,832.86 : 315,186,266.73 = 73,791,845.18 : x
  2. Step 2: Convert to fraction form
    210,095,832.86/315,186,266.73 = 73,791,845.18/x
  3. Step 3: Cross multiply
    210,095,832.86x = 315,186,266.73 × 73,791,845.18
  4. Step 4: Simplify right side
    210,095,832.86x = 23,258,176,197,402,348
  5. Step 5: Solve for x
    x = 23,258,176,197,402,348/210,095,832.86
  6. Step 6: Final answer
    x = 110,702,701.15

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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.