Home / 86,975,894.16-120,026,810.88-47,818,337.04

Finding the Fourth Proportional to 86,975,894.16, 120,026,810.88 and 47,818,337.04

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Solution

The fourth proportional to 86,975,894.16, 120,026,810.88 and 47,818,337.04 is: 65,989,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,975,894.16 : 120,026,810.88 = 47,818,337.04 : x
  2. Step 2: Convert to fraction form
    86,975,894.16/120,026,810.88 = 47,818,337.04/x
  3. Step 3: Cross multiply
    86,975,894.16x = 120,026,810.88 × 47,818,337.04
  4. Step 4: Simplify right side
    86,975,894.16x = 5,739,482,496,496,179
  5. Step 5: Solve for x
    x = 5,739,482,496,496,179/86,975,894.16
  6. Step 6: Final answer
    x = 65,989,347.42

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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.