Home / 357,129,013.60-535,695,412.16-111,465,075.07

Finding the Fourth Proportional to 357,129,013.60, 535,695,412.16 and 111,465,075.07

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Solution

The fourth proportional to 357,129,013.60, 535,695,412.16 and 111,465,075.07 is: 167,198,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,129,013.60 : 535,695,412.16 = 111,465,075.07 : x
  2. Step 2: Convert to fraction form
    357,129,013.60/535,695,412.16 = 111,465,075.07/x
  3. Step 3: Cross multiply
    357,129,013.60x = 535,695,412.16 × 111,465,075.07
  4. Step 4: Simplify right side
    357,129,013.60x = 59,711,329,331,068,992
  5. Step 5: Solve for x
    x = 59,711,329,331,068,992/357,129,013.60
  6. Step 6: Final answer
    x = 167,198,203.05

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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.