Home / 90,825,876.53-136,238,814.80-74,683,356.15

Finding the Fourth Proportional to 90,825,876.53, 136,238,814.80 and 74,683,356.15

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Solution

The fourth proportional to 90,825,876.53, 136,238,814.80 and 74,683,356.15 is: 112,025,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,825,876.53 : 136,238,814.80 = 74,683,356.15 : x
  2. Step 2: Convert to fraction form
    90,825,876.53/136,238,814.80 = 74,683,356.15/x
  3. Step 3: Cross multiply
    90,825,876.53x = 136,238,814.80 × 74,683,356.15
  4. Step 4: Simplify right side
    90,825,876.53x = 10,174,771,927,162,292
  5. Step 5: Solve for x
    x = 10,174,771,927,162,292/90,825,876.53
  6. Step 6: Final answer
    x = 112,025,034.23

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1.5x scale

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.