Home / 132,038,693.40-198,058,040.10-45,748,421.40

Finding the Fourth Proportional to 132,038,693.40, 198,058,040.10 and 45,748,421.40

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Solution

The fourth proportional to 132,038,693.40, 198,058,040.10 and 45,748,421.40 is: 68,622,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,038,693.40 : 198,058,040.10 = 45,748,421.40 : x
  2. Step 2: Convert to fraction form
    132,038,693.40/198,058,040.10 = 45,748,421.40/x
  3. Step 3: Cross multiply
    132,038,693.40x = 198,058,040.10 × 45,748,421.40
  4. Step 4: Simplify right side
    132,038,693.40x = 9,060,842,680,152,898
  5. Step 5: Solve for x
    x = 9,060,842,680,152,898/132,038,693.40
  6. Step 6: Final answer
    x = 68,622,632.10

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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.