Home / 159,936,602.48-239,993,428-78,056,159.01

Finding the Fourth Proportional to 159,936,602.48, 239,993,428 and 78,056,159.01

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Solution

The fourth proportional to 159,936,602.48, 239,993,428 and 78,056,159.01 is: 117,127,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,936,602.48 : 239,993,428 = 78,056,159.01 : x
  2. Step 2: Convert to fraction form
    159,936,602.48/239,993,428 = 78,056,159.01/x
  3. Step 3: Cross multiply
    159,936,602.48x = 239,993,428 × 78,056,159.01
  4. Step 4: Simplify right side
    159,936,602.48x = 18,732,965,177,322,988
  5. Step 5: Solve for x
    x = 18,732,965,177,322,988/159,936,602.48
  6. Step 6: Final answer
    x = 117,127,442.29

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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.