Home / 105,887,436.80-158,831,155.20-69,607,731.20

Finding the Fourth Proportional to 105,887,436.80, 158,831,155.20 and 69,607,731.20

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Solution

The fourth proportional to 105,887,436.80, 158,831,155.20 and 69,607,731.20 is: 104,411,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887,436.80 : 158,831,155.20 = 69,607,731.20 : x
  2. Step 2: Convert to fraction form
    105,887,436.80/158,831,155.20 = 69,607,731.20/x
  3. Step 3: Cross multiply
    105,887,436.80x = 158,831,155.20 × 69,607,731.20
  4. Step 4: Simplify right side
    105,887,436.80x = 11,055,876,357,347,082
  5. Step 5: Solve for x
    x = 11,055,876,357,347,082/105,887,436.80
  6. Step 6: Final answer
    x = 104,411,596.80

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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.