Home / 105,828,044.40-158,742,066.60-87,912,140.40

Finding the Fourth Proportional to 105,828,044.40, 158,742,066.60 and 87,912,140.40

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Solution

The fourth proportional to 105,828,044.40, 158,742,066.60 and 87,912,140.40 is: 131,868,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,828,044.40 : 158,742,066.60 = 87,912,140.40 : x
  2. Step 2: Convert to fraction form
    105,828,044.40/158,742,066.60 = 87,912,140.40/x
  3. Step 3: Cross multiply
    105,828,044.40x = 158,742,066.60 × 87,912,140.40
  4. Step 4: Simplify right side
    105,828,044.40x = 13,955,354,846,325,352
  5. Step 5: Solve for x
    x = 13,955,354,846,325,352/105,828,044.40
  6. Step 6: Final answer
    x = 131,868,210.60

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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.