Home / 358,402,837.10-537,226,342.05-139,968,776.30

Finding the Fourth Proportional to 358,402,837.10, 537,226,342.05 and 139,968,776.30

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Solution

The fourth proportional to 358,402,837.10, 537,226,342.05 and 139,968,776.30 is: 209,805,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,402,837.10 : 537,226,342.05 = 139,968,776.30 : x
  2. Step 2: Convert to fraction form
    358,402,837.10/537,226,342.05 = 139,968,776.30/x
  3. Step 3: Cross multiply
    358,402,837.10x = 537,226,342.05 × 139,968,776.30
  4. Step 4: Simplify right side
    358,402,837.10x = 75,194,913,692,863,728
  5. Step 5: Solve for x
    x = 75,194,913,692,863,728/358,402,837.10
  6. Step 6: Final answer
    x = 209,805,576.04

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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.