Home / 195,082,770.47-292,551,248.51-78,458,762.70

Finding the Fourth Proportional to 195,082,770.47, 292,551,248.51 and 78,458,762.70

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Solution

The fourth proportional to 195,082,770.47, 292,551,248.51 and 78,458,762.70 is: 117,658,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,082,770.47 : 292,551,248.51 = 78,458,762.70 : x
  2. Step 2: Convert to fraction form
    195,082,770.47/292,551,248.51 = 78,458,762.70/x
  3. Step 3: Cross multiply
    195,082,770.47x = 292,551,248.51 × 78,458,762.70
  4. Step 4: Simplify right side
    195,082,770.47x = 22,953,208,984,337,528
  5. Step 5: Solve for x
    x = 22,953,208,984,337,528/195,082,770.47
  6. Step 6: Final answer
    x = 117,658,822.10

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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.