Home / 346,677,354.60-520,016,031.90-142,352,068.20

Finding the Fourth Proportional to 346,677,354.60, 520,016,031.90 and 142,352,068.20

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Solution

The fourth proportional to 346,677,354.60, 520,016,031.90 and 142,352,068.20 is: 213,528,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,677,354.60 : 520,016,031.90 = 142,352,068.20 : x
  2. Step 2: Convert to fraction form
    346,677,354.60/520,016,031.90 = 142,352,068.20/x
  3. Step 3: Cross multiply
    346,677,354.60x = 520,016,031.90 × 142,352,068.20
  4. Step 4: Simplify right side
    346,677,354.60x = 74,025,357,638,122,160
  5. Step 5: Solve for x
    x = 74,025,357,638,122,160/346,677,354.60
  6. Step 6: Final answer
    x = 213,528,102.30

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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.