Home / 111,316,827.29-153,599,897.76-63,631,400.90

Finding the Fourth Proportional to 111,316,827.29, 153,599,897.76 and 63,631,400.90

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Solution

The fourth proportional to 111,316,827.29, 153,599,897.76 and 63,631,400.90 is: 87,801,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,316,827.29 : 153,599,897.76 = 63,631,400.90 : x
  2. Step 2: Convert to fraction form
    111,316,827.29/153,599,897.76 = 63,631,400.90/x
  3. Step 3: Cross multiply
    111,316,827.29x = 153,599,897.76 × 63,631,400.90
  4. Step 4: Simplify right side
    111,316,827.29x = 9,773,776,672,565,572
  5. Step 5: Solve for x
    x = 9,773,776,672,565,572/111,316,827.29
  6. Step 6: Final answer
    x = 87,801,430.48

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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.