Home / 77,310,592.81-115,713,548.30-56,834,887.93

Finding the Fourth Proportional to 77,310,592.81, 115,713,548.30 and 56,834,887.93

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Solution

The fourth proportional to 77,310,592.81, 115,713,548.30 and 56,834,887.93 is: 85,066,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,310,592.81 : 115,713,548.30 = 56,834,887.93 : x
  2. Step 2: Convert to fraction form
    77,310,592.81/115,713,548.30 = 56,834,887.93/x
  3. Step 3: Cross multiply
    77,310,592.81x = 115,713,548.30 × 56,834,887.93
  4. Step 4: Simplify right side
    77,310,592.81x = 6,576,566,549,328,968
  5. Step 5: Solve for x
    x = 6,576,566,549,328,968/77,310,592.81
  6. Step 6: Final answer
    x = 85,066,823.45

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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.