Home / 116,539,239.78-160,824,126.65-64,328,261.67

Finding the Fourth Proportional to 116,539,239.78, 160,824,126.65 and 64,328,261.67

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Solution

The fourth proportional to 116,539,239.78, 160,824,126.65 and 64,328,261.67 is: 88,772,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,539,239.78 : 160,824,126.65 = 64,328,261.67 : x
  2. Step 2: Convert to fraction form
    116,539,239.78/160,824,126.65 = 64,328,261.67/x
  3. Step 3: Cross multiply
    116,539,239.78x = 160,824,126.65 × 64,328,261.67
  4. Step 4: Simplify right side
    116,539,239.78x = 10,345,536,501,668,780
  5. Step 5: Solve for x
    x = 10,345,536,501,668,780/116,539,239.78
  6. Step 6: Final answer
    x = 88,772,987.72

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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.