Home / 358,980,943.61-538,527,089.61-151,720,226.86

Finding the Fourth Proportional to 358,980,943.61, 538,527,089.61 and 151,720,226.86

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Solution

The fourth proportional to 358,980,943.61, 538,527,089.61 and 151,720,226.86 is: 227,603,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,980,943.61 : 538,527,089.61 = 151,720,226.86 : x
  2. Step 2: Convert to fraction form
    358,980,943.61/538,527,089.61 = 151,720,226.86/x
  3. Step 3: Cross multiply
    358,980,943.61x = 538,527,089.61 × 151,720,226.86
  4. Step 4: Simplify right side
    358,980,943.61x = 81,705,452,205,884,752
  5. Step 5: Solve for x
    x = 81,705,452,205,884,752/358,980,943.61
  6. Step 6: Final answer
    x = 227,603,870.51

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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.