Home / 179,038,072.16-247,058,406.96-100,706,030.72

Finding the Fourth Proportional to 179,038,072.16, 247,058,406.96 and 100,706,030.72

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Solution

The fourth proportional to 179,038,072.16, 247,058,406.96 and 100,706,030.72 is: 138,966,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,038,072.16 : 247,058,406.96 = 100,706,030.72 : x
  2. Step 2: Convert to fraction form
    179,038,072.16/247,058,406.96 = 100,706,030.72/x
  3. Step 3: Cross multiply
    179,038,072.16x = 247,058,406.96 × 100,706,030.72
  4. Step 4: Simplify right side
    179,038,072.16x = 24,880,271,520,948,024
  5. Step 5: Solve for x
    x = 24,880,271,520,948,024/179,038,072.16
  6. Step 6: Final answer
    x = 138,966,373.02

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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.