Home / 157,368,075.64-217,168,153.58-86,802,103.34

Finding the Fourth Proportional to 157,368,075.64, 217,168,153.58 and 86,802,103.34

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Solution

The fourth proportional to 157,368,075.64, 217,168,153.58 and 86,802,103.34 is: 119,787,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,368,075.64 : 217,168,153.58 = 86,802,103.34 : x
  2. Step 2: Convert to fraction form
    157,368,075.64/217,168,153.58 = 86,802,103.34/x
  3. Step 3: Cross multiply
    157,368,075.64x = 217,168,153.58 × 86,802,103.34
  4. Step 4: Simplify right side
    157,368,075.64x = 18,850,652,509,208,152
  5. Step 5: Solve for x
    x = 18,850,652,509,208,152/157,368,075.64
  6. Step 6: Final answer
    x = 119,787,018.00

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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.