Home / 243,281,336.13-335,710,814.58-142,813,852.67

Finding the Fourth Proportional to 243,281,336.13, 335,710,814.58 and 142,813,852.67

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Solution

The fourth proportional to 243,281,336.13, 335,710,814.58 and 142,813,852.67 is: 197,072,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281,336.13 : 335,710,814.58 = 142,813,852.67 : x
  2. Step 2: Convert to fraction form
    243,281,336.13/335,710,814.58 = 142,813,852.67/x
  3. Step 3: Cross multiply
    243,281,336.13x = 335,710,814.58 × 142,813,852.67
  4. Step 4: Simplify right side
    243,281,336.13x = 47,944,154,813,993,088
  5. Step 5: Solve for x
    x = 47,944,154,813,993,088/243,281,336.13
  6. Step 6: Final answer
    x = 197,072,885.15

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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.