Home / 285,357,737.40-428,036,606.10-149,308,841.40

Finding the Fourth Proportional to 285,357,737.40, 428,036,606.10 and 149,308,841.40

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Solution

The fourth proportional to 285,357,737.40, 428,036,606.10 and 149,308,841.40 is: 223,963,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,357,737.40 : 428,036,606.10 = 149,308,841.40 : x
  2. Step 2: Convert to fraction form
    285,357,737.40/428,036,606.10 = 149,308,841.40/x
  3. Step 3: Cross multiply
    285,357,737.40x = 428,036,606.10 × 149,308,841.40
  4. Step 4: Simplify right side
    285,357,737.40x = 63,909,649,733,579,176
  5. Step 5: Solve for x
    x = 63,909,649,733,579,176/285,357,737.40
  6. Step 6: Final answer
    x = 223,963,262.10

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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.