Home / 82,065,437,811.96-122,937,841,941.30-56,535,076,440.12

Finding the Fourth Proportional to 82,065,437,811.96, 122,937,841,941.30 and 56,535,076,440.12

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Solution

The fourth proportional to 82,065,437,811.96, 122,937,841,941.30 and 56,535,076,440.12 is: 84,692,173,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,065,437,811.96 : 122,937,841,941.30 = 56,535,076,440.12 : x
  2. Step 2: Convert to fraction form
    82,065,437,811.96/122,937,841,941.30 = 56,535,076,440.12/x
  3. Step 3: Cross multiply
    82,065,437,811.96x = 122,937,841,941.30 × 56,535,076,440.12
  4. Step 4: Simplify right side
    82,065,437,811.96x = 6,950,300,291,534,786,920,448
  5. Step 5: Solve for x
    x = 6,950,300,291,534,786,920,448/82,065,437,811.96
  6. Step 6: Final answer
    x = 84,692,173,427.02

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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.