Home / 309,119,436.74-463,676,792.85-79,088,152.34

Finding the Fourth Proportional to 309,119,436.74, 463,676,792.85 and 79,088,152.34

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Solution

The fourth proportional to 309,119,436.74, 463,676,792.85 and 79,088,152.34 is: 118,631,624.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,119,436.74 : 463,676,792.85 = 79,088,152.34 : x
  2. Step 2: Convert to fraction form
    309,119,436.74/463,676,792.85 = 79,088,152.34/x
  3. Step 3: Cross multiply
    309,119,436.74x = 463,676,792.85 × 79,088,152.34
  4. Step 4: Simplify right side
    309,119,436.74x = 36,671,340,830,602,616
  5. Step 5: Solve for x
    x = 36,671,340,830,602,616/309,119,436.74
  6. Step 6: Final answer
    x = 118,631,624.13

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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.