Home / 358,402,840.10-537,226,346.55-139,968,779.30

Finding the Fourth Proportional to 358,402,840.10, 537,226,346.55 and 139,968,779.30

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Solution

The fourth proportional to 358,402,840.10, 537,226,346.55 and 139,968,779.30 is: 209,805,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,402,840.10 : 537,226,346.55 = 139,968,779.30 : x
  2. Step 2: Convert to fraction form
    358,402,840.10/537,226,346.55 = 139,968,779.30/x
  3. Step 3: Cross multiply
    358,402,840.10x = 537,226,346.55 × 139,968,779.30
  4. Step 4: Simplify right side
    358,402,840.10x = 75,194,915,934,402,272
  5. Step 5: Solve for x
    x = 75,194,915,934,402,272/358,402,840.10
  6. Step 6: Final answer
    x = 209,805,580.54

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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.