Home / 295,083,064.80-442,908,032.40-149,680,807.20

Finding the Fourth Proportional to 295,083,064.80, 442,908,032.40 and 149,680,807.20

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Solution

The fourth proportional to 295,083,064.80, 442,908,032.40 and 149,680,807.20 is: 224,664,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,083,064.80 : 442,908,032.40 = 149,680,807.20 : x
  2. Step 2: Convert to fraction form
    295,083,064.80/442,908,032.40 = 149,680,807.20/x
  3. Step 3: Cross multiply
    295,083,064.80x = 442,908,032.40 × 149,680,807.20
  4. Step 4: Simplify right side
    295,083,064.80x = 66,294,831,804,995,744
  5. Step 5: Solve for x
    x = 66,294,831,804,995,744/295,083,064.80
  6. Step 6: Final answer
    x = 224,664,983.23

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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.