Home / 151,018,948.63-208,288,070.04-98,112,706.75

Finding the Fourth Proportional to 151,018,948.63, 208,288,070.04 and 98,112,706.75

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Solution

The fourth proportional to 151,018,948.63, 208,288,070.04 and 98,112,706.75 is: 135,318,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,018,948.63 : 208,288,070.04 = 98,112,706.75 : x
  2. Step 2: Convert to fraction form
    151,018,948.63/208,288,070.04 = 98,112,706.75/x
  3. Step 3: Cross multiply
    151,018,948.63x = 208,288,070.04 × 98,112,706.75
  4. Step 4: Simplify right side
    151,018,948.63x = 20,435,706,335,357,980
  5. Step 5: Solve for x
    x = 20,435,706,335,357,980/151,018,948.63
  6. Step 6: Final answer
    x = 135,318,822.71

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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.