Home / 59,367,042.90-89,019,071.55-21,029,807.70

Finding the Fourth Proportional to 59,367,042.90, 89,019,071.55 and 21,029,807.70

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Solution

The fourth proportional to 59,367,042.90, 89,019,071.55 and 21,029,807.70 is: 31,533,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,367,042.90 : 89,019,071.55 = 21,029,807.70 : x
  2. Step 2: Convert to fraction form
    59,367,042.90/89,019,071.55 = 21,029,807.70/x
  3. Step 3: Cross multiply
    59,367,042.90x = 89,019,071.55 × 21,029,807.70
  4. Step 4: Simplify right side
    59,367,042.90x = 1,872,053,956,329,040.75
  5. Step 5: Solve for x
    x = 1,872,053,956,329,040.75/59,367,042.90
  6. Step 6: Final answer
    x = 31,533,555.74

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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.