Home / 78,834,360.10-118,171,058.55-53,277,952.90

Finding the Fourth Proportional to 78,834,360.10, 118,171,058.55 and 53,277,952.90

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Solution

The fourth proportional to 78,834,360.10, 118,171,058.55 and 53,277,952.90 is: 79,862,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,834,360.10 : 118,171,058.55 = 53,277,952.90 : x
  2. Step 2: Convert to fraction form
    78,834,360.10/118,171,058.55 = 53,277,952.90/x
  3. Step 3: Cross multiply
    78,834,360.10x = 118,171,058.55 × 53,277,952.90
  4. Step 4: Simplify right side
    78,834,360.10x = 6,295,912,091,570,042
  5. Step 5: Solve for x
    x = 6,295,912,091,570,042/78,834,360.10
  6. Step 6: Final answer
    x = 79,862,538.16

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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.