Home / 137,527,590.81-190,060,266.65-112,708,640.01

Finding the Fourth Proportional to 137,527,590.81, 190,060,266.65 and 112,708,640.01

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Solution

The fourth proportional to 137,527,590.81, 190,060,266.65 and 112,708,640.01 is: 155,760,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,527,590.81 : 190,060,266.65 = 112,708,640.01 : x
  2. Step 2: Convert to fraction form
    137,527,590.81/190,060,266.65 = 112,708,640.01/x
  3. Step 3: Cross multiply
    137,527,590.81x = 190,060,266.65 × 112,708,640.01
  4. Step 4: Simplify right side
    137,527,590.81x = 21,421,434,173,495,916
  5. Step 5: Solve for x
    x = 21,421,434,173,495,916/137,527,590.81
  6. Step 6: Final answer
    x = 155,760,993.47

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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.