Home / 85,657,106,373.27-118,209,641,641.62-47,077,393,728.36

Finding the Fourth Proportional to 85,657,106,373.27, 118,209,641,641.62 and 47,077,393,728.36

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Solution

The fourth proportional to 85,657,106,373.27, 118,209,641,641.62 and 47,077,393,728.36 is: 64,968,361,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,657,106,373.27 : 118,209,641,641.62 = 47,077,393,728.36 : x
  2. Step 2: Convert to fraction form
    85,657,106,373.27/118,209,641,641.62 = 47,077,393,728.36/x
  3. Step 3: Cross multiply
    85,657,106,373.27x = 118,209,641,641.62 × 47,077,393,728.36
  4. Step 4: Simplify right side
    85,657,106,373.27x = 5,565,001,842,050,884,173,824
  5. Step 5: Solve for x
    x = 5,565,001,842,050,884,173,824/85,657,106,373.27
  6. Step 6: Final answer
    x = 64,968,361,384.99

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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.