Home / 53,248,019.20-79,872,028.80-26,316,102.40

Finding the Fourth Proportional to 53,248,019.20, 79,872,028.80 and 26,316,102.40

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Solution

The fourth proportional to 53,248,019.20, 79,872,028.80 and 26,316,102.40 is: 39,474,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,248,019.20 : 79,872,028.80 = 26,316,102.40 : x
  2. Step 2: Convert to fraction form
    53,248,019.20/79,872,028.80 = 26,316,102.40/x
  3. Step 3: Cross multiply
    53,248,019.20x = 79,872,028.80 × 26,316,102.40
  4. Step 4: Simplify right side
    53,248,019.20x = 2,101,920,488,796,549
  5. Step 5: Solve for x
    x = 2,101,920,488,796,549/53,248,019.20
  6. Step 6: Final answer
    x = 39,474,153.60

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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.