Home / 109,058,681.80-163,506,666.30-65,918,794.60

Finding the Fourth Proportional to 109,058,681.80, 163,506,666.30 and 65,918,794.60

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Solution

The fourth proportional to 109,058,681.80, 163,506,666.30 and 65,918,794.60 is: 98,829,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,058,681.80 : 163,506,666.30 = 65,918,794.60 : x
  2. Step 2: Convert to fraction form
    109,058,681.80/163,506,666.30 = 65,918,794.60/x
  3. Step 3: Cross multiply
    109,058,681.80x = 163,506,666.30 × 65,918,794.60
  4. Step 4: Simplify right side
    109,058,681.80x = 10,778,162,351,560,444
  5. Step 5: Solve for x
    x = 10,778,162,351,560,444/109,058,681.80
  6. Step 6: Final answer
    x = 98,829,017.31

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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.