Home / 145,161,870.40-217,742,805.60-96,788,929.60

Finding the Fourth Proportional to 145,161,870.40, 217,742,805.60 and 96,788,929.60

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Solution

The fourth proportional to 145,161,870.40, 217,742,805.60 and 96,788,929.60 is: 145,183,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,161,870.40 : 217,742,805.60 = 96,788,929.60 : x
  2. Step 2: Convert to fraction form
    145,161,870.40/217,742,805.60 = 96,788,929.60/x
  3. Step 3: Cross multiply
    145,161,870.40x = 217,742,805.60 × 96,788,929.60
  4. Step 4: Simplify right side
    145,161,870.40x = 21,075,093,082,124,884
  5. Step 5: Solve for x
    x = 21,075,093,082,124,884/145,161,870.40
  6. Step 6: Final answer
    x = 145,183,394.40

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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.