Home / 147,498,969.60-221,248,454.40-70,971,465.60

Finding the Fourth Proportional to 147,498,969.60, 221,248,454.40 and 70,971,465.60

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Solution

The fourth proportional to 147,498,969.60, 221,248,454.40 and 70,971,465.60 is: 106,457,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,498,969.60 : 221,248,454.40 = 70,971,465.60 : x
  2. Step 2: Convert to fraction form
    147,498,969.60/221,248,454.40 = 70,971,465.60/x
  3. Step 3: Cross multiply
    147,498,969.60x = 221,248,454.40 × 70,971,465.60
  4. Step 4: Simplify right side
    147,498,969.60x = 15,702,327,070,502,768
  5. Step 5: Solve for x
    x = 15,702,327,070,502,768/147,498,969.60
  6. Step 6: Final answer
    x = 106,457,198.40

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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.