Home / 93,409,837.51-140,128,127.95-28,719,073.71

Finding the Fourth Proportional to 93,409,837.51, 140,128,127.95 and 28,719,073.71

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Solution

The fourth proportional to 93,409,837.51, 140,128,127.95 and 28,719,073.71 is: 43,082,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,409,837.51 : 140,128,127.95 = 28,719,073.71 : x
  2. Step 2: Convert to fraction form
    93,409,837.51/140,128,127.95 = 28,719,073.71/x
  3. Step 3: Cross multiply
    93,409,837.51x = 140,128,127.95 × 28,719,073.71
  4. Step 4: Simplify right side
    93,409,837.51x = 4,024,350,035,440,361
  5. Step 5: Solve for x
    x = 4,024,350,035,440,361/93,409,837.51
  6. Step 6: Final answer
    x = 43,082,721.72

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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.