Home / 52,112,075.85-78,168,675.06-15,720,781.47

Finding the Fourth Proportional to 52,112,075.85, 78,168,675.06 and 15,720,781.47

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Solution

The fourth proportional to 52,112,075.85, 78,168,675.06 and 15,720,781.47 is: 23,581,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,075.85 : 78,168,675.06 = 15,720,781.47 : x
  2. Step 2: Convert to fraction form
    52,112,075.85/78,168,675.06 = 15,720,781.47/x
  3. Step 3: Cross multiply
    52,112,075.85x = 78,168,675.06 × 15,720,781.47
  4. Step 4: Simplify right side
    52,112,075.85x = 1,228,872,658,417,699.25
  5. Step 5: Solve for x
    x = 1,228,872,658,417,699.25/52,112,075.85
  6. Step 6: Final answer
    x = 23,581,341.53

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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.