Home / 191,941,705.19-287,920,751.51-75,382,322.10

Finding the Fourth Proportional to 191,941,705.19, 287,920,751.51 and 75,382,322.10

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Solution

The fourth proportional to 191,941,705.19, 287,920,751.51 and 75,382,322.10 is: 113,076,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,941,705.19 : 287,920,751.51 = 75,382,322.10 : x
  2. Step 2: Convert to fraction form
    191,941,705.19/287,920,751.51 = 75,382,322.10/x
  3. Step 3: Cross multiply
    191,941,705.19x = 287,920,751.51 × 75,382,322.10
  4. Step 4: Simplify right side
    191,941,705.19x = 21,704,134,829,223,968
  5. Step 5: Solve for x
    x = 21,704,134,829,223,968/191,941,705.19
  6. Step 6: Final answer
    x = 113,076,701.12

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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.