Home / 243,281,337.46-335,710,816.40-142,813,854.02

Finding the Fourth Proportional to 243,281,337.46, 335,710,816.40 and 142,813,854.02

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Solution

The fourth proportional to 243,281,337.46, 335,710,816.40 and 142,813,854.02 is: 197,072,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281,337.46 : 335,710,816.40 = 142,813,854.02 : x
  2. Step 2: Convert to fraction form
    243,281,337.46/335,710,816.40 = 142,813,854.02/x
  3. Step 3: Cross multiply
    243,281,337.46x = 335,710,816.40 × 142,813,854.02
  4. Step 4: Simplify right side
    243,281,337.46x = 47,944,155,526,284,624
  5. Step 5: Solve for x
    x = 47,944,155,526,284,624/243,281,337.46
  6. Step 6: Final answer
    x = 197,072,887.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.