Home / 140,418,323.70-210,564,499.95-54,128,051.70

Finding the Fourth Proportional to 140,418,323.70, 210,564,499.95 and 54,128,051.70

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Solution

The fourth proportional to 140,418,323.70, 210,564,499.95 and 54,128,051.70 is: 81,167,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,418,323.70 : 210,564,499.95 = 54,128,051.70 : x
  2. Step 2: Convert to fraction form
    140,418,323.70/210,564,499.95 = 54,128,051.70/x
  3. Step 3: Cross multiply
    140,418,323.70x = 210,564,499.95 × 54,128,051.70
  4. Step 4: Simplify right side
    140,418,323.70x = 11,397,446,139,478,248
  5. Step 5: Solve for x
    x = 11,397,446,139,478,248/140,418,323.70
  6. Step 6: Final answer
    x = 81,167,798.04

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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.