Home / 65,205,612.80-97,808,419.20-39,696,444.80

Finding the Fourth Proportional to 65,205,612.80, 97,808,419.20 and 39,696,444.80

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Solution

The fourth proportional to 65,205,612.80, 97,808,419.20 and 39,696,444.80 is: 59,544,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,205,612.80 : 97,808,419.20 = 39,696,444.80 : x
  2. Step 2: Convert to fraction form
    65,205,612.80/97,808,419.20 = 39,696,444.80/x
  3. Step 3: Cross multiply
    65,205,612.80x = 97,808,419.20 × 39,696,444.80
  4. Step 4: Simplify right side
    65,205,612.80x = 3,882,646,513,748,060
  5. Step 5: Solve for x
    x = 3,882,646,513,748,060/65,205,612.80
  6. Step 6: Final answer
    x = 59,544,667.20

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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.