Home / 70,931,937.84-97,884,119.16-39,991,838.64

Finding the Fourth Proportional to 70,931,937.84, 97,884,119.16 and 39,991,838.64

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Solution

The fourth proportional to 70,931,937.84, 97,884,119.16 and 39,991,838.64 is: 55,187,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,931,937.84 : 97,884,119.16 = 39,991,838.64 : x
  2. Step 2: Convert to fraction form
    70,931,937.84/97,884,119.16 = 39,991,838.64/x
  3. Step 3: Cross multiply
    70,931,937.84x = 97,884,119.16 × 39,991,838.64
  4. Step 4: Simplify right side
    70,931,937.84x = 3,914,565,898,865,252.50
  5. Step 5: Solve for x
    x = 3,914,565,898,865,252.50/70,931,937.84
  6. Step 6: Final answer
    x = 55,187,635.05

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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.