Home / 290,051,973.71-434,787,051.63-134,714,871.17

Finding the Fourth Proportional to 290,051,973.71, 434,787,051.63 and 134,714,871.17

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Solution

The fourth proportional to 290,051,973.71, 434,787,051.63 and 134,714,871.17 is: 201,937,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,051,973.71 : 434,787,051.63 = 134,714,871.17 : x
  2. Step 2: Convert to fraction form
    290,051,973.71/434,787,051.63 = 134,714,871.17/x
  3. Step 3: Cross multiply
    290,051,973.71x = 434,787,051.63 × 134,714,871.17
  4. Step 4: Simplify right side
    290,051,973.71x = 58,572,281,646,719,584
  5. Step 5: Solve for x
    x = 58,572,281,646,719,584/290,051,973.71
  6. Step 6: Final answer
    x = 201,937,193.87

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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.