Home / 105,887,430.30-158,831,145.45-69,607,724.70

Finding the Fourth Proportional to 105,887,430.30, 158,831,145.45 and 69,607,724.70

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Solution

The fourth proportional to 105,887,430.30, 158,831,145.45 and 69,607,724.70 is: 104,411,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887,430.30 : 158,831,145.45 = 69,607,724.70 : x
  2. Step 2: Convert to fraction form
    105,887,430.30/158,831,145.45 = 69,607,724.70/x
  3. Step 3: Cross multiply
    105,887,430.30x = 158,831,145.45 × 69,607,724.70
  4. Step 4: Simplify right side
    105,887,430.30x = 11,055,874,646,269,258
  5. Step 5: Solve for x
    x = 11,055,874,646,269,258/105,887,430.30
  6. Step 6: Final answer
    x = 104,411,587.05

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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.