Home / 289,657,948.70-434,990,807.85-153,609,052.70

Finding the Fourth Proportional to 289,657,948.70, 434,990,807.85 and 153,609,052.70

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Solution

The fourth proportional to 289,657,948.70, 434,990,807.85 and 153,609,052.70 is: 230,680,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,657,948.70 : 434,990,807.85 = 153,609,052.70 : x
  2. Step 2: Convert to fraction form
    289,657,948.70/434,990,807.85 = 153,609,052.70/x
  3. Step 3: Cross multiply
    289,657,948.70x = 434,990,807.85 × 153,609,052.70
  4. Step 4: Simplify right side
    289,657,948.70x = 66,818,525,927,046,224
  5. Step 5: Solve for x
    x = 66,818,525,927,046,224/289,657,948.70
  6. Step 6: Final answer
    x = 230,680,795.15

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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.