Home / 131,464,540.34-181,364,038.47-79,223,889.98

Finding the Fourth Proportional to 131,464,540.34, 181,364,038.47 and 79,223,889.98

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Solution

The fourth proportional to 131,464,540.34, 181,364,038.47 and 79,223,889.98 is: 109,294,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,464,540.34 : 181,364,038.47 = 79,223,889.98 : x
  2. Step 2: Convert to fraction form
    131,464,540.34/181,364,038.47 = 79,223,889.98/x
  3. Step 3: Cross multiply
    131,464,540.34x = 181,364,038.47 × 79,223,889.98
  4. Step 4: Simplify right side
    131,464,540.34x = 14,368,364,630,075,768
  5. Step 5: Solve for x
    x = 14,368,364,630,075,768/131,464,540.34
  6. Step 6: Final answer
    x = 109,294,602.13

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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.