Home / 137,765,903.84-190,116,957.72-75,886,242.40

Finding the Fourth Proportional to 137,765,903.84, 190,116,957.72 and 75,886,242.40

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Solution

The fourth proportional to 137,765,903.84, 190,116,957.72 and 75,886,242.40 is: 104,723,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,903.84 : 190,116,957.72 = 75,886,242.40 : x
  2. Step 2: Convert to fraction form
    137,765,903.84/190,116,957.72 = 75,886,242.40/x
  3. Step 3: Cross multiply
    137,765,903.84x = 190,116,957.72 × 75,886,242.40
  4. Step 4: Simplify right side
    137,765,903.84x = 14,427,261,537,890,472
  5. Step 5: Solve for x
    x = 14,427,261,537,890,472/137,765,903.84
  6. Step 6: Final answer
    x = 104,723,020.25

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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.