Home / 90,911,701.52-136,387,702.56-26,210,457.26

Finding the Fourth Proportional to 90,911,701.52, 136,387,702.56 and 26,210,457.26

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Solution

The fourth proportional to 90,911,701.52, 136,387,702.56 and 26,210,457.26 is: 39,321,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,911,701.52 : 136,387,702.56 = 26,210,457.26 : x
  2. Step 2: Convert to fraction form
    90,911,701.52/136,387,702.56 = 26,210,457.26/x
  3. Step 3: Cross multiply
    90,911,701.52x = 136,387,702.56 × 26,210,457.26
  4. Step 4: Simplify right side
    90,911,701.52x = 3,574,784,048,738,473
  5. Step 5: Solve for x
    x = 3,574,784,048,738,473/90,911,701.52
  6. Step 6: Final answer
    x = 39,321,495.35

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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.