Home / 105,013,123.90-157,519,685.88-28,336,029.10

Finding the Fourth Proportional to 105,013,123.90, 157,519,685.88 and 28,336,029.10

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Solution

The fourth proportional to 105,013,123.90, 157,519,685.88 and 28,336,029.10 is: 42,504,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,013,123.90 : 157,519,685.88 = 28,336,029.10 : x
  2. Step 2: Convert to fraction form
    105,013,123.90/157,519,685.88 = 28,336,029.10/x
  3. Step 3: Cross multiply
    105,013,123.90x = 157,519,685.88 × 28,336,029.10
  4. Step 4: Simplify right side
    105,013,123.90x = 4,463,482,402,918,539
  5. Step 5: Solve for x
    x = 4,463,482,402,918,539/105,013,123.90
  6. Step 6: Final answer
    x = 42,504,043.66

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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.