Home / 90,370,270.90-124,762,186.30-69,137,102.52

Finding the Fourth Proportional to 90,370,270.90, 124,762,186.30 and 69,137,102.52

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Solution

The fourth proportional to 90,370,270.90, 124,762,186.30 and 69,137,102.52 is: 95,448,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,370,270.90 : 124,762,186.30 = 69,137,102.52 : x
  2. Step 2: Convert to fraction form
    90,370,270.90/124,762,186.30 = 69,137,102.52/x
  3. Step 3: Cross multiply
    90,370,270.90x = 124,762,186.30 × 69,137,102.52
  4. Step 4: Simplify right side
    90,370,270.90x = 8,625,696,064,842,439
  5. Step 5: Solve for x
    x = 8,625,696,064,842,439/90,370,270.90
  6. Step 6: Final answer
    x = 95,448,381.19

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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.