Home / 208,062,675.68-287,126,487.16-115,249,162.22

Finding the Fourth Proportional to 208,062,675.68, 287,126,487.16 and 115,249,162.22

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Solution

The fourth proportional to 208,062,675.68, 287,126,487.16 and 115,249,162.22 is: 159,043,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,062,675.68 : 287,126,487.16 = 115,249,162.22 : x
  2. Step 2: Convert to fraction form
    208,062,675.68/287,126,487.16 = 115,249,162.22/x
  3. Step 3: Cross multiply
    208,062,675.68x = 287,126,487.16 × 115,249,162.22
  4. Step 4: Simplify right side
    208,062,675.68x = 33,091,087,094,637,836
  5. Step 5: Solve for x
    x = 33,091,087,094,637,836/208,062,675.68
  6. Step 6: Final answer
    x = 159,043,840.94

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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.