Home / 69,887,595.30-104,830,408.80-31,549,047.90

Finding the Fourth Proportional to 69,887,595.30, 104,830,408.80 and 31,549,047.90

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Solution

The fourth proportional to 69,887,595.30, 104,830,408.80 and 31,549,047.90 is: 47,323,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887,595.30 : 104,830,408.80 = 31,549,047.90 : x
  2. Step 2: Convert to fraction form
    69,887,595.30/104,830,408.80 = 31,549,047.90/x
  3. Step 3: Cross multiply
    69,887,595.30x = 104,830,408.80 × 31,549,047.90
  4. Step 4: Simplify right side
    69,887,595.30x = 3,307,299,588,607,781.50
  5. Step 5: Solve for x
    x = 3,307,299,588,607,781.50/69,887,595.30
  6. Step 6: Final answer
    x = 47,323,127.58

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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.