Home / 142,484,035.60-196,628,347.08-77,293,939.60

Finding the Fourth Proportional to 142,484,035.60, 196,628,347.08 and 77,293,939.60

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Solution

The fourth proportional to 142,484,035.60, 196,628,347.08 and 77,293,939.60 is: 106,665,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,484,035.60 : 196,628,347.08 = 77,293,939.60 : x
  2. Step 2: Convert to fraction form
    142,484,035.60/196,628,347.08 = 77,293,939.60/x
  3. Step 3: Cross multiply
    142,484,035.60x = 196,628,347.08 × 77,293,939.60
  4. Step 4: Simplify right side
    142,484,035.60x = 15,198,179,582,849,356
  5. Step 5: Solve for x
    x = 15,198,179,582,849,356/142,484,035.60
  6. Step 6: Final answer
    x = 106,665,841.68

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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.