Home / 160,018,099.52-220,826,036.64-86,679,240.64

Finding the Fourth Proportional to 160,018,099.52, 220,826,036.64 and 86,679,240.64

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Solution

The fourth proportional to 160,018,099.52, 220,826,036.64 and 86,679,240.64 is: 119,617,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,018,099.52 : 220,826,036.64 = 86,679,240.64 : x
  2. Step 2: Convert to fraction form
    160,018,099.52/220,826,036.64 = 86,679,240.64/x
  3. Step 3: Cross multiply
    160,018,099.52x = 220,826,036.64 × 86,679,240.64
  4. Step 4: Simplify right side
    160,018,099.52x = 19,141,033,169,496,016
  5. Step 5: Solve for x
    x = 19,141,033,169,496,016/160,018,099.52
  6. Step 6: Final answer
    x = 119,617,925.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.