Home / 287,095,265.64-430,719,534.54-102,881,363.21

Finding the Fourth Proportional to 287,095,265.64, 430,719,534.54 and 102,881,363.21

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Solution

The fourth proportional to 287,095,265.64, 430,719,534.54 and 102,881,363.21 is: 154,349,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,095,265.64 : 430,719,534.54 = 102,881,363.21 : x
  2. Step 2: Convert to fraction form
    287,095,265.64/430,719,534.54 = 102,881,363.21/x
  3. Step 3: Cross multiply
    287,095,265.64x = 430,719,534.54 × 102,881,363.21
  4. Step 4: Simplify right side
    287,095,265.64x = 44,313,012,874,113,480
  5. Step 5: Solve for x
    x = 44,313,012,874,113,480/287,095,265.64
  6. Step 6: Final answer
    x = 154,349,507.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.