Home / 88,818,240.40-122,501,543.40-76,449,385.36

Finding the Fourth Proportional to 88,818,240.40, 122,501,543.40 and 76,449,385.36

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Solution

The fourth proportional to 88,818,240.40, 122,501,543.40 and 76,449,385.36 is: 105,441,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,818,240.40 : 122,501,543.40 = 76,449,385.36 : x
  2. Step 2: Convert to fraction form
    88,818,240.40/122,501,543.40 = 76,449,385.36/x
  3. Step 3: Cross multiply
    88,818,240.40x = 122,501,543.40 × 76,449,385.36
  4. Step 4: Simplify right side
    88,818,240.40x = 9,365,167,698,581,366
  5. Step 5: Solve for x
    x = 9,365,167,698,581,366/88,818,240.40
  6. Step 6: Final answer
    x = 105,441,941.39

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1.5x scale

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.