Home / 50,157,746.16-69,218,448.12-28,136,127.12

Finding the Fourth Proportional to 50,157,746.16, 69,218,448.12 and 28,136,127.12

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Solution

The fourth proportional to 50,157,746.16, 69,218,448.12 and 28,136,127.12 is: 38,828,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,157,746.16 : 69,218,448.12 = 28,136,127.12 : x
  2. Step 2: Convert to fraction form
    50,157,746.16/69,218,448.12 = 28,136,127.12/x
  3. Step 3: Cross multiply
    50,157,746.16x = 69,218,448.12 × 28,136,127.12
  4. Step 4: Simplify right side
    50,157,746.16x = 1,947,539,055,353,445.25
  5. Step 5: Solve for x
    x = 1,947,539,055,353,445.25/50,157,746.16
  6. Step 6: Final answer
    x = 38,828,280.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.