Home / 124,312,440.60-186,485,678.46-42,409,328.85

Finding the Fourth Proportional to 124,312,440.60, 186,485,678.46 and 42,409,328.85

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Solution

The fourth proportional to 124,312,440.60, 186,485,678.46 and 42,409,328.85 is: 63,619,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,312,440.60 : 186,485,678.46 = 42,409,328.85 : x
  2. Step 2: Convert to fraction form
    124,312,440.60/186,485,678.46 = 42,409,328.85/x
  3. Step 3: Cross multiply
    124,312,440.60x = 186,485,678.46 × 42,409,328.85
  4. Step 4: Simplify right side
    124,312,440.60x = 7,908,732,463,625,502
  5. Step 5: Solve for x
    x = 7,908,732,463,625,502/124,312,440.60
  6. Step 6: Final answer
    x = 63,619,798.83

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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.