Home / 70,688,724.39-97,551,022.28-39,748,623.03

Finding the Fourth Proportional to 70,688,724.39, 97,551,022.28 and 39,748,623.03

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Solution

The fourth proportional to 70,688,724.39, 97,551,022.28 and 39,748,623.03 is: 54,853,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688,724.39 : 97,551,022.28 = 39,748,623.03 : x
  2. Step 2: Convert to fraction form
    70,688,724.39/97,551,022.28 = 39,748,623.03/x
  3. Step 3: Cross multiply
    70,688,724.39x = 97,551,022.28 × 39,748,623.03
  4. Step 4: Simplify right side
    70,688,724.39x = 3,877,518,810,600,108.50
  5. Step 5: Solve for x
    x = 3,877,518,810,600,108.50/70,688,724.39
  6. Step 6: Final answer
    x = 54,853,427.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.