Home / 134,868,127.80-186,118,014.04-72,988,466.34

Finding the Fourth Proportional to 134,868,127.80, 186,118,014.04 and 72,988,466.34

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Solution

The fourth proportional to 134,868,127.80, 186,118,014.04 and 72,988,466.34 is: 100,724,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,127.80 : 186,118,014.04 = 72,988,466.34 : x
  2. Step 2: Convert to fraction form
    134,868,127.80/186,118,014.04 = 72,988,466.34/x
  3. Step 3: Cross multiply
    134,868,127.80x = 186,118,014.04 × 72,988,466.34
  4. Step 4: Simplify right side
    134,868,127.80x = 13,584,468,403,026,188
  5. Step 5: Solve for x
    x = 13,584,468,403,026,188/134,868,127.80
  6. Step 6: Final answer
    x = 100,724,082.29

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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.