Home / 105,264,355.20-157,896,532.80-51,516,643.20

Finding the Fourth Proportional to 105,264,355.20, 157,896,532.80 and 51,516,643.20

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Solution

The fourth proportional to 105,264,355.20, 157,896,532.80 and 51,516,643.20 is: 77,274,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,264,355.20 : 157,896,532.80 = 51,516,643.20 : x
  2. Step 2: Convert to fraction form
    105,264,355.20/157,896,532.80 = 51,516,643.20/x
  3. Step 3: Cross multiply
    105,264,355.20x = 157,896,532.80 × 51,516,643.20
  4. Step 4: Simplify right side
    105,264,355.20x = 8,134,299,342,774,698
  5. Step 5: Solve for x
    x = 8,134,299,342,774,698/105,264,355.20
  6. Step 6: Final answer
    x = 77,274,964.80

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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.