Home / 74,370,780.78-111,213,710.37-70,742,810.22

Finding the Fourth Proportional to 74,370,780.78, 111,213,710.37 and 70,742,810.22

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Solution

The fourth proportional to 74,370,780.78, 111,213,710.37 and 70,742,810.22 is: 105,788,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,370,780.78 : 111,213,710.37 = 70,742,810.22 : x
  2. Step 2: Convert to fraction form
    74,370,780.78/111,213,710.37 = 70,742,810.22/x
  3. Step 3: Cross multiply
    74,370,780.78x = 111,213,710.37 × 70,742,810.22
  4. Step 4: Simplify right side
    74,370,780.78x = 7,867,570,406,566,956
  5. Step 5: Solve for x
    x = 7,867,570,406,566,956/74,370,780.78
  6. Step 6: Final answer
    x = 105,788,460.52

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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.