Home / 390,252,273.33-585,144,570.52-124,243,023.72

Finding the Fourth Proportional to 390,252,273.33, 585,144,570.52 and 124,243,023.72

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Solution

The fourth proportional to 390,252,273.33, 585,144,570.52 and 124,243,023.72 is: 186,290,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,252,273.33 : 585,144,570.52 = 124,243,023.72 : x
  2. Step 2: Convert to fraction form
    390,252,273.33/585,144,570.52 = 124,243,023.72/x
  3. Step 3: Cross multiply
    390,252,273.33x = 585,144,570.52 × 124,243,023.72
  4. Step 4: Simplify right side
    390,252,273.33x = 72,700,130,751,808,672
  5. Step 5: Solve for x
    x = 72,700,130,751,808,672/390,252,273.33
  6. Step 6: Final answer
    x = 186,290,089.06

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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.