Home / 358,859,617.83-538,289,427.47-86,230,385.19

Finding the Fourth Proportional to 358,859,617.83, 538,289,427.47 and 86,230,385.19

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Solution

The fourth proportional to 358,859,617.83, 538,289,427.47 and 86,230,385.19 is: 129,345,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,859,617.83 : 538,289,427.47 = 86,230,385.19 : x
  2. Step 2: Convert to fraction form
    358,859,617.83/538,289,427.47 = 86,230,385.19/x
  3. Step 3: Cross multiply
    358,859,617.83x = 538,289,427.47 × 86,230,385.19
  4. Step 4: Simplify right side
    358,859,617.83x = 46,416,904,674,011,520
  5. Step 5: Solve for x
    x = 46,416,904,674,011,520/358,859,617.83
  6. Step 6: Final answer
    x = 129,345,577.96

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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.