Home / 208,077,162.45-287,146,459.57-124,445,280.14

Finding the Fourth Proportional to 208,077,162.45, 287,146,459.57 and 124,445,280.14

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Solution

The fourth proportional to 208,077,162.45, 287,146,459.57 and 124,445,280.14 is: 171,734,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,077,162.45 : 287,146,459.57 = 124,445,280.14 : x
  2. Step 2: Convert to fraction form
    208,077,162.45/287,146,459.57 = 124,445,280.14/x
  3. Step 3: Cross multiply
    208,077,162.45x = 287,146,459.57 × 124,445,280.14
  4. Step 4: Simplify right side
    208,077,162.45x = 35,734,021,602,804,584
  5. Step 5: Solve for x
    x = 35,734,021,602,804,584/208,077,162.45
  6. Step 6: Final answer
    x = 171,734,471.88

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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.