Home / 139,234,090,751.17-208,850,875,430.03-43,627,428,701.89

Finding the Fourth Proportional to 139,234,090,751.17, 208,850,875,430.03 and 43,627,428,701.89

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Solution

The fourth proportional to 139,234,090,751.17, 208,850,875,430.03 and 43,627,428,701.89 is: 65,441,061,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,234,090,751.17 : 208,850,875,430.03 = 43,627,428,701.89 : x
  2. Step 2: Convert to fraction form
    139,234,090,751.17/208,850,875,430.03 = 43,627,428,701.89/x
  3. Step 3: Cross multiply
    139,234,090,751.17x = 208,850,875,430.03 × 43,627,428,701.89
  4. Step 4: Simplify right side
    139,234,090,751.17x = 9,111,626,677,150,317,281,280
  5. Step 5: Solve for x
    x = 9,111,626,677,150,317,281,280/139,234,090,751.17
  6. Step 6: Final answer
    x = 65,441,061,366.46

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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.