Home / 53,145,064.61-73,341,743.63-31,116,503.01

Finding the Fourth Proportional to 53,145,064.61, 73,341,743.63 and 31,116,503.01

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Solution

The fourth proportional to 53,145,064.61, 73,341,743.63 and 31,116,503.01 is: 42,941,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,064.61 : 73,341,743.63 = 31,116,503.01 : x
  2. Step 2: Convert to fraction form
    53,145,064.61/73,341,743.63 = 31,116,503.01/x
  3. Step 3: Cross multiply
    53,145,064.61x = 73,341,743.63 × 31,116,503.01
  4. Step 4: Simplify right side
    53,145,064.61x = 2,282,138,586,128,445
  5. Step 5: Solve for x
    x = 2,282,138,586,128,445/53,145,064.61
  6. Step 6: Final answer
    x = 42,941,684.29

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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.