Home / 131,425,547.40-197,138,321.10-58,642,187.40

Finding the Fourth Proportional to 131,425,547.40, 197,138,321.10 and 58,642,187.40

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Solution

The fourth proportional to 131,425,547.40, 197,138,321.10 and 58,642,187.40 is: 87,963,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425,547.40 : 197,138,321.10 = 58,642,187.40 : x
  2. Step 2: Convert to fraction form
    131,425,547.40/197,138,321.10 = 58,642,187.40/x
  3. Step 3: Cross multiply
    131,425,547.40x = 197,138,321.10 × 58,642,187.40
  4. Step 4: Simplify right side
    131,425,547.40x = 11,560,622,369,667,574
  5. Step 5: Solve for x
    x = 11,560,622,369,667,574/131,425,547.40
  6. Step 6: Final answer
    x = 87,963,281.10

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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.