Home / 77,763,482.10-107,311,526.19-42,955,423.38

Finding the Fourth Proportional to 77,763,482.10, 107,311,526.19 and 42,955,423.38

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Solution

The fourth proportional to 77,763,482.10, 107,311,526.19 and 42,955,423.38 is: 59,277,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,763,482.10 : 107,311,526.19 = 42,955,423.38 : x
  2. Step 2: Convert to fraction form
    77,763,482.10/107,311,526.19 = 42,955,423.38/x
  3. Step 3: Cross multiply
    77,763,482.10x = 107,311,526.19 × 42,955,423.38
  4. Step 4: Simplify right side
    77,763,482.10x = 4,609,612,041,045,409
  5. Step 5: Solve for x
    x = 4,609,612,041,045,409/77,763,482.10
  6. Step 6: Final answer
    x = 59,277,335.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.