Home / 149,710,670.70-224,640,655.65-85,064,117.10

Finding the Fourth Proportional to 149,710,670.70, 224,640,655.65 and 85,064,117.10

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Solution

The fourth proportional to 149,710,670.70, 224,640,655.65 and 85,064,117.10 is: 127,638,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,710,670.70 : 224,640,655.65 = 85,064,117.10 : x
  2. Step 2: Convert to fraction form
    149,710,670.70/224,640,655.65 = 85,064,117.10/x
  3. Step 3: Cross multiply
    149,710,670.70x = 224,640,655.65 × 85,064,117.10
  4. Step 4: Simplify right side
    149,710,670.70x = 19,108,859,037,632,376
  5. Step 5: Solve for x
    x = 19,108,859,037,632,376/149,710,670.70
  6. Step 6: Final answer
    x = 127,638,590.81

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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.