Home / 197,196,810.51-272,046,057.71-118,835,834.97

Finding the Fourth Proportional to 197,196,810.51, 272,046,057.71 and 118,835,834.97

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Solution

The fourth proportional to 197,196,810.51, 272,046,057.71 and 118,835,834.97 is: 163,941,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,196,810.51 : 272,046,057.71 = 118,835,834.97 : x
  2. Step 2: Convert to fraction form
    197,196,810.51/272,046,057.71 = 118,835,834.97/x
  3. Step 3: Cross multiply
    197,196,810.51x = 272,046,057.71 × 118,835,834.97
  4. Step 4: Simplify right side
    197,196,810.51x = 32,328,820,417,670,476
  5. Step 5: Solve for x
    x = 32,328,820,417,670,476/197,196,810.51
  6. Step 6: Final answer
    x = 163,941,903.19

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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.