Home / 55,367,639.60-83,051,459.40-42,453,623.30

Finding the Fourth Proportional to 55,367,639.60, 83,051,459.40 and 42,453,623.30

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Solution

The fourth proportional to 55,367,639.60, 83,051,459.40 and 42,453,623.30 is: 63,680,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367,639.60 : 83,051,459.40 = 42,453,623.30 : x
  2. Step 2: Convert to fraction form
    55,367,639.60/83,051,459.40 = 42,453,623.30/x
  3. Step 3: Cross multiply
    55,367,639.60x = 83,051,459.40 × 42,453,623.30
  4. Step 4: Simplify right side
    55,367,639.60x = 3,525,835,371,882,844
  5. Step 5: Solve for x
    x = 3,525,835,371,882,844/55,367,639.60
  6. Step 6: Final answer
    x = 63,680,434.95

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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.