Home / 70,763,436.12-97,637,383.76-39,812,312.28

Finding the Fourth Proportional to 70,763,436.12, 97,637,383.76 and 39,812,312.28

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Solution

The fourth proportional to 70,763,436.12, 97,637,383.76 and 39,812,312.28 is: 54,931,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,763,436.12 : 97,637,383.76 = 39,812,312.28 : x
  2. Step 2: Convert to fraction form
    70,763,436.12/97,637,383.76 = 39,812,312.28/x
  3. Step 3: Cross multiply
    70,763,436.12x = 97,637,383.76 × 39,812,312.28
  4. Step 4: Simplify right side
    70,763,436.12x = 3,887,170,012,256,259
  5. Step 5: Solve for x
    x = 3,887,170,012,256,259/70,763,436.12
  6. Step 6: Final answer
    x = 54,931,900.22

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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.