Home / 390,382,068.00-585,574,470.75-99,249,222.14

Finding the Fourth Proportional to 390,382,068.00, 585,574,470.75 and 99,249,222.14

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Solution

The fourth proportional to 390,382,068.00, 585,574,470.75 and 99,249,222.14 is: 148,874,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,382,068.00 : 585,574,470.75 = 99,249,222.14 : x
  2. Step 2: Convert to fraction form
    390,382,068.00/585,574,470.75 = 99,249,222.14/x
  3. Step 3: Cross multiply
    390,382,068.00x = 585,574,470.75 × 99,249,222.14
  4. Step 4: Simplify right side
    390,382,068.00x = 58,117,810,726,619,896
  5. Step 5: Solve for x
    x = 58,117,810,726,619,896/390,382,068.00
  6. Step 6: Final answer
    x = 148,874,181.19

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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.