Home / 85,657,106,358.51-118,209,641,621.28-47,077,393,713.64

Finding the Fourth Proportional to 85,657,106,358.51, 118,209,641,621.28 and 47,077,393,713.64

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Solution

The fourth proportional to 85,657,106,358.51, 118,209,641,621.28 and 47,077,393,713.64 is: 64,968,361,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,657,106,358.51 : 118,209,641,621.28 = 47,077,393,713.64 : x
  2. Step 2: Convert to fraction form
    85,657,106,358.51/118,209,641,621.28 = 47,077,393,713.64/x
  3. Step 3: Cross multiply
    85,657,106,358.51x = 118,209,641,621.28 × 47,077,393,713.64
  4. Step 4: Simplify right side
    85,657,106,358.51x = 5,565,001,839,353,284,001,792
  5. Step 5: Solve for x
    x = 5,565,001,839,353,284,001,792/85,657,106,358.51
  6. Step 6: Final answer
    x = 64,968,361,364.69

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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.