Home / 97,938,662,904.20-146,690,316,122.70-84,877,968,888.20

Finding the Fourth Proportional to 97,938,662,904.20, 146,690,316,122.70 and 84,877,968,888.20

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Solution

The fourth proportional to 97,938,662,904.20, 146,690,316,122.70 and 84,877,968,888.20 is: 127,128,303,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,938,662,904.20 : 146,690,316,122.70 = 84,877,968,888.20 : x
  2. Step 2: Convert to fraction form
    97,938,662,904.20/146,690,316,122.70 = 84,877,968,888.20/x
  3. Step 3: Cross multiply
    97,938,662,904.20x = 146,690,316,122.70 × 84,877,968,888.20
  4. Step 4: Simplify right side
    97,938,662,904.20x = 12,450,776,088,062,753,505,280
  5. Step 5: Solve for x
    x = 12,450,776,088,062,753,505,280/97,938,662,904.20
  6. Step 6: Final answer
    x = 127,128,303,765.41

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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.