Home / 91,645,603.26-126,475,472.57-56,849,505

Finding the Fourth Proportional to 91,645,603.26, 126,475,472.57 and 56,849,505

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Solution

The fourth proportional to 91,645,603.26, 126,475,472.57 and 56,849,505 is: 78,455,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,645,603.26 : 126,475,472.57 = 56,849,505 : x
  2. Step 2: Convert to fraction form
    91,645,603.26/126,475,472.57 = 56,849,505/x
  3. Step 3: Cross multiply
    91,645,603.26x = 126,475,472.57 × 56,849,505
  4. Step 4: Simplify right side
    91,645,603.26x = 7,190,068,009,961,330
  5. Step 5: Solve for x
    x = 7,190,068,009,961,330/91,645,603.26
  6. Step 6: Final answer
    x = 78,455,133.19

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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.