Home / 286,836,139.46-430,329,398.47-90,091,605.59

Finding the Fourth Proportional to 286,836,139.46, 430,329,398.47 and 90,091,605.59

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Solution

The fourth proportional to 286,836,139.46, 430,329,398.47 and 90,091,605.59 is: 135,161,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,836,139.46 : 430,329,398.47 = 90,091,605.59 : x
  2. Step 2: Convert to fraction form
    286,836,139.46/430,329,398.47 = 90,091,605.59/x
  3. Step 3: Cross multiply
    286,836,139.46x = 430,329,398.47 × 90,091,605.59
  4. Step 4: Simplify right side
    286,836,139.46x = 38,769,066,442,904,960
  5. Step 5: Solve for x
    x = 38,769,066,442,904,960/286,836,139.46
  6. Step 6: Final answer
    x = 135,161,024.40

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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.