Home / 74,683,313.40-112,192,931.70-71,827,966.20

Finding the Fourth Proportional to 74,683,313.40, 112,192,931.70 and 71,827,966.20

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Solution

The fourth proportional to 74,683,313.40, 112,192,931.70 and 71,827,966.20 is: 107,903,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,683,313.40 : 112,192,931.70 = 71,827,966.20 : x
  2. Step 2: Convert to fraction form
    74,683,313.40/112,192,931.70 = 71,827,966.20/x
  3. Step 3: Cross multiply
    74,683,313.40x = 112,192,931.70 × 71,827,966.20
  4. Step 4: Simplify right side
    74,683,313.40x = 8,058,590,106,026,509
  5. Step 5: Solve for x
    x = 8,058,590,106,026,509/74,683,313.40
  6. Step 6: Final answer
    x = 107,903,489.27

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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.