Home / 216,878,957.91-299,293,316.51-117,759,897

Finding the Fourth Proportional to 216,878,957.91, 299,293,316.51 and 117,759,897

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Solution

The fourth proportional to 216,878,957.91, 299,293,316.51 and 117,759,897 is: 162,508,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,878,957.91 : 299,293,316.51 = 117,759,897 : x
  2. Step 2: Convert to fraction form
    216,878,957.91/299,293,316.51 = 117,759,897/x
  3. Step 3: Cross multiply
    216,878,957.91x = 299,293,316.51 × 117,759,897
  4. Step 4: Simplify right side
    216,878,957.91x = 35,244,750,124,417,200
  5. Step 5: Solve for x
    x = 35,244,750,124,417,200/216,878,957.91
  6. Step 6: Final answer
    x = 162,508,850.39

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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.