Home / 147,498,051.60-221,247,077.40-70,970,547.60

Finding the Fourth Proportional to 147,498,051.60, 221,247,077.40 and 70,970,547.60

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Solution

The fourth proportional to 147,498,051.60, 221,247,077.40 and 70,970,547.60 is: 106,455,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,498,051.60 : 221,247,077.40 = 70,970,547.60 : x
  2. Step 2: Convert to fraction form
    147,498,051.60/221,247,077.40 = 70,970,547.60/x
  3. Step 3: Cross multiply
    147,498,051.60x = 221,247,077.40 × 70,970,547.60
  4. Step 4: Simplify right side
    147,498,051.60x = 15,702,026,237,977,584
  5. Step 5: Solve for x
    x = 15,702,026,237,977,584/147,498,051.60
  6. Step 6: Final answer
    x = 106,455,821.40

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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.