Home / 289,692,465.40-434,538,698.10-136,637,457.40

Finding the Fourth Proportional to 289,692,465.40, 434,538,698.10 and 136,637,457.40

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Solution

The fourth proportional to 289,692,465.40, 434,538,698.10 and 136,637,457.40 is: 204,956,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,692,465.40 : 434,538,698.10 = 136,637,457.40 : x
  2. Step 2: Convert to fraction form
    289,692,465.40/434,538,698.10 = 136,637,457.40/x
  3. Step 3: Cross multiply
    289,692,465.40x = 434,538,698.10 × 136,637,457.40
  4. Step 4: Simplify right side
    289,692,465.40x = 59,374,262,850,290,216
  5. Step 5: Solve for x
    x = 59,374,262,850,290,216/289,692,465.40
  6. Step 6: Final answer
    x = 204,956,186.10

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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.