Home / 145,470,248.38-200,722,510.49-85,941,236.51

Finding the Fourth Proportional to 145,470,248.38, 200,722,510.49 and 85,941,236.51

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Solution

The fourth proportional to 145,470,248.38, 200,722,510.49 and 85,941,236.51 is: 118,583,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,470,248.38 : 200,722,510.49 = 85,941,236.51 : x
  2. Step 2: Convert to fraction form
    145,470,248.38/200,722,510.49 = 85,941,236.51/x
  3. Step 3: Cross multiply
    145,470,248.38x = 200,722,510.49 × 85,941,236.51
  4. Step 4: Simplify right side
    145,470,248.38x = 17,250,340,746,705,288
  5. Step 5: Solve for x
    x = 17,250,340,746,705,288/145,470,248.38
  6. Step 6: Final answer
    x = 118,583,290.66

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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.