Home / 91,497,931.74-126,056,430.90-63,213,208.56

Finding the Fourth Proportional to 91,497,931.74, 126,056,430.90 and 63,213,208.56

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Solution

The fourth proportional to 91,497,931.74, 126,056,430.90 and 63,213,208.56 is: 87,088,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497,931.74 : 126,056,430.90 = 63,213,208.56 : x
  2. Step 2: Convert to fraction form
    91,497,931.74/126,056,430.90 = 63,213,208.56/x
  3. Step 3: Cross multiply
    91,497,931.74x = 126,056,430.90 × 63,213,208.56
  4. Step 4: Simplify right side
    91,497,931.74x = 7,968,431,456,810,929
  5. Step 5: Solve for x
    x = 7,968,431,456,810,929/91,497,931.74
  6. Step 6: Final answer
    x = 87,088,651.13

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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.