Home / 105,186,237.93-157,779,358.25-28,509,266.12

Finding the Fourth Proportional to 105,186,237.93, 157,779,358.25 and 28,509,266.12

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Solution

The fourth proportional to 105,186,237.93, 157,779,358.25 and 28,509,266.12 is: 42,763,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,186,237.93 : 157,779,358.25 = 28,509,266.12 : x
  2. Step 2: Convert to fraction form
    105,186,237.93/157,779,358.25 = 28,509,266.12/x
  3. Step 3: Cross multiply
    105,186,237.93x = 157,779,358.25 × 28,509,266.12
  4. Step 4: Simplify right side
    105,186,237.93x = 4,498,173,711,660,624
  5. Step 5: Solve for x
    x = 4,498,173,711,660,624/105,186,237.93
  6. Step 6: Final answer
    x = 42,763,899.54

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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.