Home / 71,868,507,818.04-98,659,189,865.48-61,689,564,167.04

Finding the Fourth Proportional to 71,868,507,818.04, 98,659,189,865.48 and 61,689,564,167.04

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Solution

The fourth proportional to 71,868,507,818.04, 98,659,189,865.48 and 61,689,564,167.04 is: 84,685,804,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,868,507,818.04 : 98,659,189,865.48 = 61,689,564,167.04 : x
  2. Step 2: Convert to fraction form
    71,868,507,818.04/98,659,189,865.48 = 61,689,564,167.04/x
  3. Step 3: Cross multiply
    71,868,507,818.04x = 98,659,189,865.48 × 61,689,564,167.04
  4. Step 4: Simplify right side
    71,868,507,818.04x = 6,086,242,423,874,402,648,064
  5. Step 5: Solve for x
    x = 6,086,242,423,874,402,648,064/71,868,507,818.04
  6. Step 6: Final answer
    x = 84,685,804,793.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.