Home / 74,631,621,554.40-102,443,417,750.04-65,984,013,602.40

Finding the Fourth Proportional to 74,631,621,554.40, 102,443,417,750.04 and 65,984,013,602.40

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Solution

The fourth proportional to 74,631,621,554.40, 102,443,417,750.04 and 65,984,013,602.40 is: 90,573,241,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,631,621,554.40 : 102,443,417,750.04 = 65,984,013,602.40 : x
  2. Step 2: Convert to fraction form
    74,631,621,554.40/102,443,417,750.04 = 65,984,013,602.40/x
  3. Step 3: Cross multiply
    74,631,621,554.40x = 102,443,417,750.04 × 65,984,013,602.40
  4. Step 4: Simplify right side
    74,631,621,554.40x = 6,759,627,870,294,984,622,080
  5. Step 5: Solve for x
    x = 6,759,627,870,294,984,622,080/74,631,621,554.40
  6. Step 6: Final answer
    x = 90,573,241,335.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.