Home / 74,742,639.40-112,113,959.10-73,063,023.40

Finding the Fourth Proportional to 74,742,639.40, 112,113,959.10 and 73,063,023.40

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Solution

The fourth proportional to 74,742,639.40, 112,113,959.10 and 73,063,023.40 is: 109,594,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,742,639.40 : 112,113,959.10 = 73,063,023.40 : x
  2. Step 2: Convert to fraction form
    74,742,639.40/112,113,959.10 = 73,063,023.40/x
  3. Step 3: Cross multiply
    74,742,639.40x = 112,113,959.10 × 73,063,023.40
  4. Step 4: Simplify right side
    74,742,639.40x = 8,191,384,817,189,943
  5. Step 5: Solve for x
    x = 8,191,384,817,189,943/74,742,639.40
  6. Step 6: Final answer
    x = 109,594,535.10

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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.