Home / 85,883,154,549.45-128,781,631,294.79-50,039,495,182.59

Finding the Fourth Proportional to 85,883,154,549.45, 128,781,631,294.79 and 50,039,495,182.59

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Solution

The fourth proportional to 85,883,154,549.45, 128,781,631,294.79 and 50,039,495,182.59 is: 75,034,130,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,883,154,549.45 : 128,781,631,294.79 = 50,039,495,182.59 : x
  2. Step 2: Convert to fraction form
    85,883,154,549.45/128,781,631,294.79 = 50,039,495,182.59/x
  3. Step 3: Cross multiply
    85,883,154,549.45x = 128,781,631,294.79 × 50,039,495,182.59
  4. Step 4: Simplify right side
    85,883,154,549.45x = 6,444,167,818,781,725,294,592
  5. Step 5: Solve for x
    x = 6,444,167,818,781,725,294,592/85,883,154,549.45
  6. Step 6: Final answer
    x = 75,034,130,413.45

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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.