Home / 105,007,688.15-157,464,293.03-40,289,984.15

Finding the Fourth Proportional to 105,007,688.15, 157,464,293.03 and 40,289,984.15

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Solution

The fourth proportional to 105,007,688.15, 157,464,293.03 and 40,289,984.15 is: 60,416,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007,688.15 : 157,464,293.03 = 40,289,984.15 : x
  2. Step 2: Convert to fraction form
    105,007,688.15/157,464,293.03 = 40,289,984.15/x
  3. Step 3: Cross multiply
    105,007,688.15x = 157,464,293.03 × 40,289,984.15
  4. Step 4: Simplify right side
    105,007,688.15x = 6,344,233,870,168,206
  5. Step 5: Solve for x
    x = 6,344,233,870,168,206/105,007,688.15
  6. Step 6: Final answer
    x = 60,416,851.20

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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.