Home / 77,760,034.60-116,640,051.90-73,281,058.60

Finding the Fourth Proportional to 77,760,034.60, 116,640,051.90 and 73,281,058.60

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Solution

The fourth proportional to 77,760,034.60, 116,640,051.90 and 73,281,058.60 is: 109,921,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,034.60 : 116,640,051.90 = 73,281,058.60 : x
  2. Step 2: Convert to fraction form
    77,760,034.60/116,640,051.90 = 73,281,058.60/x
  3. Step 3: Cross multiply
    77,760,034.60x = 116,640,051.90 × 73,281,058.60
  4. Step 4: Simplify right side
    77,760,034.60x = 8,547,506,478,390,941
  5. Step 5: Solve for x
    x = 8,547,506,478,390,941/77,760,034.60
  6. Step 6: Final answer
    x = 109,921,587.90

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Similar ratio
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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.