Home / 314,903,763.12-472,323,752.40-84,896,098.32

Finding the Fourth Proportional to 314,903,763.12, 472,323,752.40 and 84,896,098.32

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Solution

The fourth proportional to 314,903,763.12, 472,323,752.40 and 84,896,098.32 is: 127,335,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,903,763.12 : 472,323,752.40 = 84,896,098.32 : x
  2. Step 2: Convert to fraction form
    314,903,763.12/472,323,752.40 = 84,896,098.32/x
  3. Step 3: Cross multiply
    314,903,763.12x = 472,323,752.40 × 84,896,098.32
  4. Step 4: Simplify right side
    314,903,763.12x = 40,098,443,722,621,728
  5. Step 5: Solve for x
    x = 40,098,443,722,621,728/314,903,763.12
  6. Step 6: Final answer
    x = 127,335,549.52

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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.