Home / 86,977,306.80-130,353,985.80-66,681,946.80

Finding the Fourth Proportional to 86,977,306.80, 130,353,985.80 and 66,681,946.80

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Solution

The fourth proportional to 86,977,306.80, 130,353,985.80 and 66,681,946.80 is: 99,937,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,977,306.80 : 130,353,985.80 = 66,681,946.80 : x
  2. Step 2: Convert to fraction form
    86,977,306.80/130,353,985.80 = 66,681,946.80/x
  3. Step 3: Cross multiply
    86,977,306.80x = 130,353,985.80 × 66,681,946.80
  4. Step 4: Simplify right side
    86,977,306.80x = 8,692,257,546,283,555
  5. Step 5: Solve for x
    x = 8,692,257,546,283,555/86,977,306.80
  6. Step 6: Final answer
    x = 99,937,074.00

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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.