Home / 410,111,237.19-615,168,451.77-99,218,354.28

Finding the Fourth Proportional to 410,111,237.19, 615,168,451.77 and 99,218,354.28

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Solution

The fourth proportional to 410,111,237.19, 615,168,451.77 and 99,218,354.28 is: 148,827,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111,237.19 : 615,168,451.77 = 99,218,354.28 : x
  2. Step 2: Convert to fraction form
    410,111,237.19/615,168,451.77 = 99,218,354.28/x
  3. Step 3: Cross multiply
    410,111,237.19x = 615,168,451.77 × 99,218,354.28
  4. Step 4: Simplify right side
    410,111,237.19x = 61,036,001,389,594,952
  5. Step 5: Solve for x
    x = 61,036,001,389,594,952/410,111,237.19
  6. Step 6: Final answer
    x = 148,827,917.54

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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.