Home / 55,327,688.28-82,995,518.24-21,249,034.16

Finding the Fourth Proportional to 55,327,688.28, 82,995,518.24 and 21,249,034.16

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Solution

The fourth proportional to 55,327,688.28, 82,995,518.24 and 21,249,034.16 is: 31,875,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327,688.28 : 82,995,518.24 = 21,249,034.16 : x
  2. Step 2: Convert to fraction form
    55,327,688.28/82,995,518.24 = 21,249,034.16/x
  3. Step 3: Cross multiply
    55,327,688.28x = 82,995,518.24 × 21,249,034.16
  4. Step 4: Simplify right side
    55,327,688.28x = 1,763,574,601,687,440.50
  5. Step 5: Solve for x
    x = 1,763,574,601,687,440.50/55,327,688.28
  6. Step 6: Final answer
    x = 31,875,082.02

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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.