Home / 287,022,574.85-430,602,441.12-92,934,203.51

Finding the Fourth Proportional to 287,022,574.85, 430,602,441.12 and 92,934,203.51

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Solution

The fourth proportional to 287,022,574.85, 430,602,441.12 and 92,934,203.51 is: 139,423,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,022,574.85 : 430,602,441.12 = 92,934,203.51 : x
  2. Step 2: Convert to fraction form
    287,022,574.85/430,602,441.12 = 92,934,203.51/x
  3. Step 3: Cross multiply
    287,022,574.85x = 430,602,441.12 × 92,934,203.51
  4. Step 4: Simplify right side
    287,022,574.85x = 40,017,694,896,025,384
  5. Step 5: Solve for x
    x = 40,017,694,896,025,384/287,022,574.85
  6. Step 6: Final answer
    x = 139,423,510.22

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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.