Home / 290,051,972.71-434,787,050.13-134,714,870.17

Finding the Fourth Proportional to 290,051,972.71, 434,787,050.13 and 134,714,870.17

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Solution

The fourth proportional to 290,051,972.71, 434,787,050.13 and 134,714,870.17 is: 201,937,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,051,972.71 : 434,787,050.13 = 134,714,870.17 : x
  2. Step 2: Convert to fraction form
    290,051,972.71/434,787,050.13 = 134,714,870.17/x
  3. Step 3: Cross multiply
    290,051,972.71x = 434,787,050.13 × 134,714,870.17
  4. Step 4: Simplify right side
    290,051,972.71x = 58,572,281,009,860,224
  5. Step 5: Solve for x
    x = 58,572,281,009,860,224/290,051,972.71
  6. Step 6: Final answer
    x = 201,937,192.37

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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.