Home / 145,546,329.46-218,323,926.20-56,911,360.88

Finding the Fourth Proportional to 145,546,329.46, 218,323,926.20 and 56,911,360.88

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Solution

The fourth proportional to 145,546,329.46, 218,323,926.20 and 56,911,360.88 is: 85,368,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,546,329.46 : 218,323,926.20 = 56,911,360.88 : x
  2. Step 2: Convert to fraction form
    145,546,329.46/218,323,926.20 = 56,911,360.88/x
  3. Step 3: Cross multiply
    145,546,329.46x = 218,323,926.20 × 56,911,360.88
  4. Step 4: Simplify right side
    145,546,329.46x = 12,425,111,752,422,130
  5. Step 5: Solve for x
    x = 12,425,111,752,422,130/145,546,329.46
  6. Step 6: Final answer
    x = 85,368,774.32

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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.