Home / 148,553,317.12-205,018,308.48-83,363,480.32

Finding the Fourth Proportional to 148,553,317.12, 205,018,308.48 and 83,363,480.32

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Solution

The fourth proportional to 148,553,317.12, 205,018,308.48 and 83,363,480.32 is: 115,049,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,553,317.12 : 205,018,308.48 = 83,363,480.32 : x
  2. Step 2: Convert to fraction form
    148,553,317.12/205,018,308.48 = 83,363,480.32/x
  3. Step 3: Cross multiply
    148,553,317.12x = 205,018,308.48 × 83,363,480.32
  4. Step 4: Simplify right side
    148,553,317.12x = 17,091,039,724,212,166
  5. Step 5: Solve for x
    x = 17,091,039,724,212,166/148,553,317.12
  6. Step 6: Final answer
    x = 115,049,869.34

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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.