Home / 290,051,973.21-434,787,050.88-134,714,870.67

Finding the Fourth Proportional to 290,051,973.21, 434,787,050.88 and 134,714,870.67

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Solution

The fourth proportional to 290,051,973.21, 434,787,050.88 and 134,714,870.67 is: 201,937,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,051,973.21 : 434,787,050.88 = 134,714,870.67 : x
  2. Step 2: Convert to fraction form
    290,051,973.21/434,787,050.88 = 134,714,870.67/x
  3. Step 3: Cross multiply
    290,051,973.21x = 434,787,050.88 × 134,714,870.67
  4. Step 4: Simplify right side
    290,051,973.21x = 58,572,281,328,289,904
  5. Step 5: Solve for x
    x = 58,572,281,328,289,904/290,051,973.21
  6. Step 6: Final answer
    x = 201,937,193.12

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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.