Home / 190,868,722.80-286,281,643.86-52,713,970.32

Finding the Fourth Proportional to 190,868,722.80, 286,281,643.86 and 52,713,970.32

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Solution

The fourth proportional to 190,868,722.80, 286,281,643.86 and 52,713,970.32 is: 79,065,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,868,722.80 : 286,281,643.86 = 52,713,970.32 : x
  2. Step 2: Convert to fraction form
    190,868,722.80/286,281,643.86 = 52,713,970.32/x
  3. Step 3: Cross multiply
    190,868,722.80x = 286,281,643.86 × 52,713,970.32
  4. Step 4: Simplify right side
    190,868,722.80x = 15,091,042,077,596,852
  5. Step 5: Solve for x
    x = 15,091,042,077,596,852/190,868,722.80
  6. Step 6: Final answer
    x = 79,065,034.10

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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.