Home / 159,435,005.80-239,152,508.70-145,830,116.20

Finding the Fourth Proportional to 159,435,005.80, 239,152,508.70 and 145,830,116.20

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Solution

The fourth proportional to 159,435,005.80, 239,152,508.70 and 145,830,116.20 is: 218,745,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,435,005.80 : 239,152,508.70 = 145,830,116.20 : x
  2. Step 2: Convert to fraction form
    159,435,005.80/239,152,508.70 = 145,830,116.20/x
  3. Step 3: Cross multiply
    159,435,005.80x = 239,152,508.70 × 145,830,116.20
  4. Step 4: Simplify right side
    159,435,005.80x = 34,875,638,133,242,508
  5. Step 5: Solve for x
    x = 34,875,638,133,242,508/159,435,005.80
  6. Step 6: Final answer
    x = 218,745,174.30

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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.