Home / 90,828,178.08-125,506,844.31-64,677,295.28

Finding the Fourth Proportional to 90,828,178.08, 125,506,844.31 and 64,677,295.28

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Solution

The fourth proportional to 90,828,178.08, 125,506,844.31 and 64,677,295.28 is: 89,371,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,828,178.08 : 125,506,844.31 = 64,677,295.28 : x
  2. Step 2: Convert to fraction form
    90,828,178.08/125,506,844.31 = 64,677,295.28/x
  3. Step 3: Cross multiply
    90,828,178.08x = 125,506,844.31 × 64,677,295.28
  4. Step 4: Simplify right side
    90,828,178.08x = 8,117,443,228,147,937
  5. Step 5: Solve for x
    x = 8,117,443,228,147,937/90,828,178.08
  6. Step 6: Final answer
    x = 89,371,419.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.