Home / 77,176,985.60-115,665,945.60-59,136,665.60

Finding the Fourth Proportional to 77,176,985.60, 115,665,945.60 and 59,136,665.60

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Solution

The fourth proportional to 77,176,985.60, 115,665,945.60 and 59,136,665.60 is: 88,628,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,176,985.60 : 115,665,945.60 = 59,136,665.60 : x
  2. Step 2: Convert to fraction form
    77,176,985.60/115,665,945.60 = 59,136,665.60/x
  3. Step 3: Cross multiply
    77,176,985.60x = 115,665,945.60 × 59,136,665.60
  4. Step 4: Simplify right side
    77,176,985.60x = 6,840,098,346,254,991
  5. Step 5: Solve for x
    x = 6,840,098,346,254,991/77,176,985.60
  6. Step 6: Final answer
    x = 88,628,731.65

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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.