Home / 105,007,666.40-157,464,260.40-40,289,962.40

Finding the Fourth Proportional to 105,007,666.40, 157,464,260.40 and 40,289,962.40

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Solution

The fourth proportional to 105,007,666.40, 157,464,260.40 and 40,289,962.40 is: 60,416,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007,666.40 : 157,464,260.40 = 40,289,962.40 : x
  2. Step 2: Convert to fraction form
    105,007,666.40/157,464,260.40 = 40,289,962.40/x
  3. Step 3: Cross multiply
    105,007,666.40x = 157,464,260.40 × 40,289,962.40
  4. Step 4: Simplify right side
    105,007,666.40x = 6,344,229,130,859,809
  5. Step 5: Solve for x
    x = 6,344,229,130,859,809/105,007,666.40
  6. Step 6: Final answer
    x = 60,416,818.58

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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.