Home / 83,556,245.40-125,334,368.10-77,887,541.40

Finding the Fourth Proportional to 83,556,245.40, 125,334,368.10 and 77,887,541.40

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Solution

The fourth proportional to 83,556,245.40, 125,334,368.10 and 77,887,541.40 is: 116,831,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,556,245.40 : 125,334,368.10 = 77,887,541.40 : x
  2. Step 2: Convert to fraction form
    83,556,245.40/125,334,368.10 = 77,887,541.40/x
  3. Step 3: Cross multiply
    83,556,245.40x = 125,334,368.10 × 77,887,541.40
  4. Step 4: Simplify right side
    83,556,245.40x = 9,761,985,784,231,590
  5. Step 5: Solve for x
    x = 9,761,985,784,231,590/83,556,245.40
  6. Step 6: Final answer
    x = 116,831,312.10

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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.