Home / 113,888,603.37-157,165,434.50-61,676,427.81

Finding the Fourth Proportional to 113,888,603.37, 157,165,434.50 and 61,676,427.81

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Solution

The fourth proportional to 113,888,603.37, 157,165,434.50 and 61,676,427.81 is: 85,113,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,888,603.37 : 157,165,434.50 = 61,676,427.81 : x
  2. Step 2: Convert to fraction form
    113,888,603.37/157,165,434.50 = 61,676,427.81/x
  3. Step 3: Cross multiply
    113,888,603.37x = 157,165,434.50 × 61,676,427.81
  4. Step 4: Simplify right side
    113,888,603.37x = 9,693,402,574,858,152
  5. Step 5: Solve for x
    x = 9,693,402,574,858,152/113,888,603.37
  6. Step 6: Final answer
    x = 85,113,016.47

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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.