Home / 353,376,184.60-530,064,276.90-137,965,432.60

Finding the Fourth Proportional to 353,376,184.60, 530,064,276.90 and 137,965,432.60

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Solution

The fourth proportional to 353,376,184.60, 530,064,276.90 and 137,965,432.60 is: 206,948,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,376,184.60 : 530,064,276.90 = 137,965,432.60 : x
  2. Step 2: Convert to fraction form
    353,376,184.60/530,064,276.90 = 137,965,432.60/x
  3. Step 3: Cross multiply
    353,376,184.60x = 530,064,276.90 × 137,965,432.60
  4. Step 4: Simplify right side
    353,376,184.60x = 73,130,547,268,314,688
  5. Step 5: Solve for x
    x = 73,130,547,268,314,688/353,376,184.60
  6. Step 6: Final answer
    x = 206,948,148.90

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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.