Home / 103,297,985.04-142,549,496.84-56,892,556.92

Finding the Fourth Proportional to 103,297,985.04, 142,549,496.84 and 56,892,556.92

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Solution

The fourth proportional to 103,297,985.04, 142,549,496.84 and 56,892,556.92 is: 78,510,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,297,985.04 : 142,549,496.84 = 56,892,556.92 : x
  2. Step 2: Convert to fraction form
    103,297,985.04/142,549,496.84 = 56,892,556.92/x
  3. Step 3: Cross multiply
    103,297,985.04x = 142,549,496.84 × 56,892,556.92
  4. Step 4: Simplify right side
    103,297,985.04x = 8,110,005,362,887,061
  5. Step 5: Solve for x
    x = 8,110,005,362,887,061/103,297,985.04
  6. Step 6: Final answer
    x = 78,510,779.85

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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.