Home / 85,657,106,371.52-118,209,641,639.21-47,077,393,726.61

Finding the Fourth Proportional to 85,657,106,371.52, 118,209,641,639.21 and 47,077,393,726.61

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Solution

The fourth proportional to 85,657,106,371.52, 118,209,641,639.21 and 47,077,393,726.61 is: 64,968,361,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,657,106,371.52 : 118,209,641,639.21 = 47,077,393,726.61 : x
  2. Step 2: Convert to fraction form
    85,657,106,371.52/118,209,641,639.21 = 47,077,393,726.61/x
  3. Step 3: Cross multiply
    85,657,106,371.52x = 118,209,641,639.21 × 47,077,393,726.61
  4. Step 4: Simplify right side
    85,657,106,371.52x = 5,565,001,841,729,970,634,752
  5. Step 5: Solve for x
    x = 5,565,001,841,729,970,634,752/85,657,106,371.52
  6. Step 6: Final answer
    x = 64,968,361,382.57

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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.